{"title":"Denso Canada","description":"\u003cp\u003eThe full Denso range available in Canada, grouped from our live catalogue so the count and price span below are current. \u003c\/p\u003e\u003cp\u003e31 products in stock, priced from $53.16 to $314 CAD. Every order ships free to any Canadian address, priced in CAD with no minimum. \u003c\/p\u003e\u003ch2\u003eWhat Denso makes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/ignition-parts\"\u003eIgnition Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/spark-plugs\"\u003eSpark Plugs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/spark-plugs-and-wires\"\u003eSpark Plugs and Wires\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/oxygen\"\u003eOxygen\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eDo you ship Denso products across Canada?\u003c\/h3\u003e\u003cp\u003eYes. Shipping is free to every Canadian province and territory, with no minimum order value. Orders are dispatched within one business day and prices are shown in Canadian dollars.\u003c\/p\u003e\u003ch3\u003eHow many Denso products do you stock?\u003c\/h3\u003e\u003cp\u003eThis collection currently holds 31 products. Prices run from $53.16 to $314 CAD.\u003c\/p\u003e\u003ch3\u003eHow do I know a part will fit my vehicle?\u003c\/h3\u003e\u003cp\u003eEach product page lists the fitment details supplied by the manufacturer: year, make, model or universal fit. Check those against your vehicle before ordering, and email us if a listing is unclear.\u003c\/p\u003e\u003ch3\u003eWhat is your return policy?\u003c\/h3\u003e\u003cp\u003eYou have 30 days from delivery to return an unused item in its original packaging for a refund. Faulty or incorrect items are replaced or refunded in full, including return postage.\u003c\/p\u003e","products":[{"product_id":"denso-oxygen-air-fuel-ratio-sensor-234-9005-for-2001-2005-honda-civic-2002-2004-cr-v-acura-rsx-oe-fit-fast-response","title":"Denso Oxygen\/Air-Fuel Ratio Sensor 234-9005 for 2001–2005 Honda Civic, 2002–2004 CR-V\/Acura RSX — OE-fit, Fast Response","description":"\u003cp\u003e\u003cstrong\u003eDenso 234-9005 is a direct-replacement air\/fuel ratio sensor engineered to restore accurate oxygen sensing and proper fuel trim for compatible 2001–2005 Honda and 2002–2004 Acura models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen an oxygen or air\/fuel ratio sensor begins to drift or fail it can cause rough idling, reduced fuel economy, and increased exhaust emissions. The Denso 234-9005 is built to the original-equipment standards to provide the correct electrical characteristics, mounting dimensions, and response speed for a first-time fit. This sensor is designed specifically for select Honda Civic, Honda CR-V, and Acura RSX model years, so replacement is straightforward and avoids the guesswork of cross-referencing incompatible parts.\u003c\/p\u003e\n\n\u003ch3\u003eWill this sensor fit my vehicle?\u003c\/h3\u003e\n\u003cp\u003eIf your vehicle is listed for this part number, the Denso 234-9005 is a direct fit without modification. It covers Honda Civic model years 2001–2005, Honda CR-V 2002–2004, and Acura RSX 2002–2004. Always confirm the original part number or VIN compatibility before purchase to ensure exact fitment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAcura RSX: 2002–2004 direct replacement\u003c\/li\u003e\n  \u003cli\u003eHonda Civic: 2001–2005 direct replacement\u003c\/li\u003e\n  \u003cli\u003eHonda CR-V: 2002–2004 direct replacement\u003c\/li\u003e\n  \u003cli\u003eCheck OEM part numbers or vehicle VIN for confirmation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this air\/fuel ratio sensor affect engine performance?\u003c\/h3\u003e\n\u003cp\u003eThe air\/fuel ratio sensor reports oxygen and fuel mixture information to the engine control unit (ECU), enabling precise fuel delivery and ignition timing adjustments. A correctly functioning sensor helps the ECU maintain efficient combustion across varying engine speeds and loads, which supports smoother operation and consistent throttle response.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproves fuel-trim accuracy across RPM range\u003c\/li\u003e\n  \u003cli\u003eSupports stable idle and quicker response to throttle changes\u003c\/li\u003e\n  \u003cli\u003eHelps maintain optimal catalytic converter function\u003c\/li\u003e\n  \u003cli\u003eReduces the risk of rich or lean running conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the build and quality features of the Denso 234-9005?\u003c\/h3\u003e\n\u003cp\u003eDenso manufactures its sensors to match OE specifications for electrical performance, housing dimensions, and connector type. The 234-9005 uses durable materials to withstand exhaust heat and contaminants, and Denso tests each unit for response time and output stability so you get a predictable replacement part.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOE-standard electrical characteristics for compatibility\u003c\/li\u003e\n  \u003cli\u003eDurable construction to resist exhaust exposure\u003c\/li\u003e\n  \u003cli\u003eTested for response speed and output reliability\u003c\/li\u003e\n  \u003cli\u003eEngineered for first-time fit and straightforward installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what should I expect after replacement?\u003c\/h3\u003e\n\u003cp\u003eInstallation is typically straightforward for anyone comfortable working under the vehicle; most technicians remove the old sensor, screw in the new sensor, and reconnect the wiring harness. After replacement, the ECU may require a short drive cycle to relearn fuel trims; you should notice restored fuel economy and fewer emission-related symptoms once learning completes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThreaded sensor design for standard installation tools\u003c\/li\u003e\n  \u003cli\u003eReconnects to factory wiring harness—no splicing required\u003c\/li\u003e\n  \u003cli\u003eECU relearn\/driving cycle may be needed for optimal operation\u003c\/li\u003e\n  \u003cli\u003eExpect improved fuel trims and reduced emissions signals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Denso 234-9005 is intended for owners and repair shops servicing 2001–2005 Honda Civics, 2002–2004 Honda CR-Vs, and 2002–2004 Acura RSXs that need a reliable, OE-quality air\/fuel ratio (oxygen) sensor. It’s a practical choice for DIY mechanics looking for a direct-fit replacement and for professionals who require a tested, consistent supplier part to restore proper engine management and emissions control.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Denso 234-9005 compatible with my Honda Civic?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—this part fits Honda Civic model years 2001–2005, but verify your OEM part number or VIN to be certain.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will I need to reprogram the ECU after installing this sensor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No reprogramming is usually required; the ECU will relearn fuel trims after a normal drive cycle.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48080112287902,"sku":"B000C5UFVM","price":314.22,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-234-9005-front-view.jpg?v=1785779013"},{"product_id":"denso-o2-oxygen-sensor-234-4168-4-wire-heated-13-78-harness-for-lexus-scion-toyota","title":"Denso O2 Oxygen Sensor 234-4168 — 4‑Wire Heated, 13.78\" Harness for Lexus\/Scion\/Toyota","description":"\u003cp\u003e\u003cstrong\u003eThe Denso 234-4168 is a direct-replacement narrow-band oxygen (O2) sensor with a 4-wire, 13.78-inch harness built to restore accurate air-fuel monitoring for compatible Lexus, Scion, and Toyota models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement O2 sensor is engineered to meet or exceed original-equipment standards, delivering a precision fit and long-term durability. Denso designs these sensors with an aluminum oxide trap layer to shield the sensing element from contamination, helping maintain reliable readings and supporting the vehicle’s engine management system. The 234-4168 fits several popular models and years, making it a practical service part for repairs or routine maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eWill this sensor fit my vehicle?\u003c\/h3\u003e\n\u003cp\u003eCheck fitment against the listed makes, models, and years to confirm compatibility before ordering. The 234-4168 is specified for certain Lexus, Scion, and Toyota vehicles and includes a 13.78-inch wiring harness to match OE routing and connector placement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible vehicles: Lexus RX330 (2004–2006)\u003c\/li\u003e\n  \u003cli\u003eScion fitment: iQ (2012–2015), xB (2008–2015)\u003c\/li\u003e\n  \u003cli\u003eToyota vehicles: Highlander (2004–2007), Sienna (2004–2006), Venza (2009–2014)\u003c\/li\u003e\n  \u003cli\u003e4-wire configuration for heated-sensor applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this O2 sensor help engine performance and fuel economy?\u003c\/h3\u003e\n\u003cp\u003eThe sensor measures exhaust oxygen levels so the engine control unit can adjust fuel delivery for a proper air-fuel ratio. By returning accurate signals, the 234-4168 supports smoother idle, consistent throttle response, and optimized fuel use without altering any engine components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProvides precise oxygen readings to the ECU\u003c\/li\u003e\n  \u003cli\u003eHelps reduce rich or lean running conditions\u003c\/li\u003e\n  \u003cli\u003eSupports fuel trim adjustments for better economy\u003c\/li\u003e\n  \u003cli\u003eMay help stabilize emissions-related systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes Denso sensors reliable compared with other replacements?\u003c\/h3\u003e\n\u003cp\u003eDenso builds to OE tolerances and tests sensors for performance and longevity. The aluminum oxide trap layer helps guard the ceramic sensing element against lead and silicone contaminants, which can otherwise degrade response over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecision-manufactured to match OE dimensions and connector pinouts\u003c\/li\u003e\n  \u003cli\u003eContaminant-protection layer extends sensor life\u003c\/li\u003e\n  \u003cli\u003eFactory-style harness length (13.78 in) for correct routing\u003c\/li\u003e\n  \u003cli\u003e4-wire heated design shortens warm-up time for accurate readings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what should I prepare?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for someone with basic tools and mechanical experience, but access can vary by vehicle. Use an appropriate O2-sensor socket, verify connector compatibility, and follow torque specifications to avoid damage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRequired tools: O2-sensor socket, ratchet, anti-seize (if not pre-applied)\u003c\/li\u003e\n  \u003cli\u003eCheck wiring harness routing to prevent chafing\u003c\/li\u003e\n  \u003cli\u003eDisconnect the battery before working on electrical connectors\u003c\/li\u003e\n  \u003cli\u003eConfirm connector pins match your vehicle’s harness before final installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this part is for: The Denso 234-4168 is intended for owners, technicians, and fleet service shops needing an OE-quality narrow-band oxygen sensor for the specified Lexus, Scion, and Toyota models. It suits anyone replacing a failed O2 sensor, addressing drivability or emissions-related fault codes, or performing scheduled exhaust-system maintenance. Choose this part when you want a direct-fit, factory-standard sensor designed for dependable operation and long-term service life.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Denso 234-4168 a direct replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It is manufactured to OE standards with the correct 4-wire connector and 13.78-inch harness for a first-time fit on listed vehicles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install this sensor myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If you have basic tools and experience, yes. Use an O2-sensor socket, verify connector pinout, and follow torque recommendations.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48080121594014,"sku":"B000IYBF6Q","price":150.7,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-234-4168-front-view.jpg?v=1785779085"},{"product_id":"denso-air-fuel-ratio-sensor-234-5010-wide-band-o2-sensor-4-wire-with-11-5-inch-harness","title":"Denso Air Fuel Ratio Sensor 234-5010 — Wide‑Band O2 Sensor, 4‑Wire with 11.5‑inch Harness","description":"\u003cp\u003e\u003cstrong\u003eThe Denso 234-5010 is a direct-fit wide-band air\/fuel ratio sensor engineered to restore accurate AFR readings and maintain efficient engine operation on compatible Acura, Honda and Saturn models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis Denso sensor is built to original-equipment standards and replaces worn or failing sensors that can disrupt fuel trim, drivability and emissions. It uses a planar zirconia sensing element and platinum electrodes to deliver quick, reliable oxygen concentration readings across a wide measurement range. The 234-5010 is supplied with a four-wire, 11.5-inch harness and is designed for a first-time fit on specified late-model Acura, Honda and Saturn vehicles.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles does the 234-5010 fit and how do I confirm compatibility?\u003c\/h3\u003e\n\n\u003cp\u003eThe 234-5010 covers a range of Acura, Honda and Saturn applications from the early-to-mid 2000s. Confirm fit by matching the part number, vehicle year, and engine designation with your OEM reference or parts diagram before ordering.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eAcura: 2003–2006 MDX; 2005–2008 RL; 2004–2008 TL\u003c\/li\u003e\n  \u003cli\u003eHonda: 2003–2007 Accord; 2005–2006 Odyssey; 2005–2008 Pilot; 2006–2008 Ridgeline\u003c\/li\u003e\n  \u003cli\u003eSaturn: 2004–2007 Vue\u003c\/li\u003e\n  \u003cli\u003eInterchange numbers include 12581687, 12581688, 36531RCAA02 and others\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this sensor affect engine performance and fuel efficiency?\u003c\/h3\u003e\n\n\u003cp\u003eBy continuously measuring air\/fuel ratios across the RPM range, the sensor supplies accurate data to the engine control unit for proper fuel trim adjustments. That helps the engine run closer to its intended stoichiometry, which supports smoother throttle response and can help optimize fuel use when the rest of the fuel system is functioning correctly.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eWide-band sensing covers approximately 12:1 to 19:1 AFR for richer and leaner conditions\u003c\/li\u003e\n  \u003cli\u003eQuick-response zirconia element improves ECU correction speed\u003c\/li\u003e\n  \u003cli\u003ePrecise readings help protect the catalytic converter and maintain emissions control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the construction and durability features of the Denso 234-5010?\u003c\/h3\u003e\n\n\u003cp\u003eDenso designs this sensor to match OE mechanical and electrical specifications for a reliable replacement. Corrosion-resistant materials and a proven sensing element extend service life and retain measurement stability over time.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTarnish-proof platinum electrodes for longer-lasting accuracy\u003c\/li\u003e\n  \u003cli\u003ePlanar zirconia sensing element for fast oxygen detection\u003c\/li\u003e\n  \u003cli\u003eFour-wire configuration with 11.50\" harness for plug-and-play installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and maintenance?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation is straightforward when the part is confirmed compatible; the sensor threads into the exhaust bung and connects using the factory-style four-pin plug. No special tuning is required after installation, but verify there are no related intake, fueling or exhaust faults that could mask symptoms or cause premature failure.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eItem dimensions approximately 5.75 x 2.19 x 1.88 inches; weight about 0.25 lb\u003c\/li\u003e\n  \u003cli\u003ePackage quantity: 1 sensor per box, ready for direct replacement\u003c\/li\u003e\n  \u003cli\u003eFollow torque specs and use anti-seize where recommended by vehicle manufacturer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this product for? The Denso 234-5010 is intended for owners, fleet technicians and independent repair shops servicing compatible Acura, Honda and Saturn models that need a reliable wide-band air\/fuel ratio sensor. It’s suitable when troubleshooting fuel trim errors, restoring proper emissions control, or replacing a failed upstream sensor to regain accurate AFR feedback to the ECU. If your vehicle shows drivability issues, poor fuel economy, or a check-engine light tied to oxygen or AFR diagnostics, this sensor provides a factory-style replacement option.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Denso 234-5010 a direct replacement for OEM sensors?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it’s made to OE specifications and fits specified Acura, Honda and Saturn models for a first-time fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What measurement range does this air\/fuel sensor cover?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The wide-band sensor measures approximately 12:1 to 19:1 air\/fuel ratios for rich and lean conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48080137552030,"sku":"B00199DZT4","price":234.23,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-234-5010-front-view.jpg?v=1785779240"},{"product_id":"denso-iridium-spark-plugs-6-pack-sk16hr11-3417-long-life-direct-fit-oem-replacement","title":"Denso Iridium Spark Plugs 6-Pack SK16HR11 (3417) — Long Life, Direct-Fit OEM Replacement","description":"\u003cp\u003e\u003cstrong\u003eDENSO 3417 (SK16HR11) iridium spark plugs are a six-piece OEM-grade replacement set engineered for longer service life and consistent ignition performance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese genuine DENSO 3417 spark plugs come in a convenient 6-pack, designed as direct-fit replacements for compatible gasoline engines that call for the SK16HR11 specification. Built with an iridium center electrode and precision-ground tip, they prioritize reliable starts, steady combustion, and extended service intervals compared with standard copper plugs. This listing is for one order containing six new DENSO 3417 spark plugs — ideal for multi-cylinder tune-ups or stocking a maintenance kit.\u003c\/p\u003e\n\n\u003ch3\u003eWhich engines and vehicles work with DENSO 3417 (SK16HR11)?\u003c\/h3\u003e\n\u003cp\u003eThe DENSO 3417 follows the SK16HR11 thread, heat range, and electrode design—check your owner’s manual or existing plug for match. These plugs are commonly used in a variety of passenger cars and light trucks that specify SK16HR11-style iridium plugs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits engines requiring SK16HR11 dimensions and thread pitch\u003c\/li\u003e\n  \u003cli\u003eSuitable for many gasoline-powered vehicles and OEM applications\u003c\/li\u003e\n  \u003cli\u003eDirect replacement when your vehicle manufacturer lists DENSO 3417 or SK16HR11\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do iridium electrodes benefit performance and longevity?\u003c\/h3\u003e\n\u003cp\u003eIridium is a hard, high-melting-point metal that allows a smaller, precise electrode tip. Compared with conventional materials, iridium maintains a finer spark gap longer, which supports stable combustion over many miles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSmaller electrode for more concentrated spark and improved ignition\u003c\/li\u003e\n  \u003cli\u003eGreater erosion resistance extends useful service life\u003c\/li\u003e\n  \u003cli\u003eHelps maintain factory-specified gap for consistent fuel burn\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows standard spark plug replacement steps: remove old plugs, confirm correct gap if needed, and torque to the manufacturer’s specification. Use anti-seize only if recommended by your service manual and inspect coil boots and ignition components while you’re working.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect threads and seat surface for debris before fitting\u003c\/li\u003e\n  \u003cli\u003eTighten to vehicle-specified torque to avoid damage or leakage\u003c\/li\u003e\n  \u003cli\u003eCheck ignition coils and wires for wear when replacing plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow many plugs are included and when should I replace them?\u003c\/h3\u003e\n\u003cp\u003eThis listing supplies six new DENSO 3417 spark plugs—one order equals a full 6-piece set. Replacement intervals vary by driving habits and engine design; consult your vehicle manual, but iridium plugs typically last noticeably longer than conventional plugs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne order = 6 genuine DENSO 3417 (SK16HR11) spark plugs\u003c\/li\u003e\n  \u003cli\u003eReplace according to vehicle manufacturer or performance symptoms\u003c\/li\u003e\n  \u003cli\u003eLonger service life than copper plugs, reduce frequency of changes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This six-pack of DENSO 3417 (SK16HR11) iridium spark plugs is aimed at DIY mechanics, professional technicians, and vehicle owners performing scheduled maintenance on compatible gasoline engines. If you need OEM-quality replacements that deliver reliable ignition, extended plug life, and clean combustion characteristics for a multi-cylinder engine, this set is an appropriate choice. Confirm compatibility with your vehicle’s specifications before purchasing.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this DENSO 3417 pack compatible with SK16HR11 specifications?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the DENSO 3417 listed here matches the SK16HR11 specification; verify fitment with your vehicle manual.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many spark plugs are included in one order?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: One order contains six new DENSO 3417 (SK16HR11) iridium spark plugs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48080257646750,"sku":"B00UKIQQ7I","price":159.66,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-3417-front-packaging.jpg?v=1785780187"},{"product_id":"denso-iridium-long-life-spark-plugs-3297-8-pack-043-1-1-mm-gap-durable-ignition","title":"Denso Iridium Long-Life Spark Plugs 3297 — 8-Pack .043\" (1.1 mm) Gap, Durable Ignition","description":"\u003cp\u003e\u003cstrong\u003eDenso 3297 iridium long-life spark plugs are a genuine 8-pack of high-precision ignition plugs with an iridium center electrode and a factory-set 0.043\" (1.1 mm) gap designed for durable, consistent spark performance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Denso 3297 spark plugs are engineered for reliability and longevity, delivering steady ignition for compatible gasoline engines. The iridium core provides a thin, wear-resistant electrode that maintains gap integrity longer than standard plugs. Packaged as a set of eight, these plugs are ideal for multi-cylinder engines and for users replacing all plugs at once to restore even firing and efficient combustion.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these spark plugs improve ignition consistency?\u003c\/h3\u003e\n\u003cp\u003eThe iridium center electrode and precise manufacturing reduce electrode wear and ensure a stable spark over many miles. A thinner electrode tip requires less voltage to fire, which helps maintain reliable combustion as the plug ages.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIridium center electrode for durable spark delivery\u003c\/li\u003e\n  \u003cli\u003eFactory-set 0.043\" (1.1 mm) gap to match many OEM specifications\u003c\/li\u003e\n  \u003cli\u003eConsistent gap retention reduces misfires and rough idling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat vehicles and situations are these Denso 3297 plugs suited for?\u003c\/h3\u003e\n\u003cp\u003eThese plugs are designed for gasoline engines that call for the Denso 3297 specification or similar iridium long-life plugs. They’re commonly used in passenger cars, light trucks, and performance applications where long service intervals are desired.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatibility with engines specifying Denso 3297 or equivalent part numbers\u003c\/li\u003e\n  \u003cli\u003eGood choice for multi-cylinder engines requiring eight plugs\u003c\/li\u003e\n  \u003cli\u003eRecommended for drivers wanting longer life between replacements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the package and physical details I should know?\u003c\/h3\u003e\n\u003cp\u003eThis product ships as a compact set of eight individual plugs, each built to Denso quality standards. The pack dimensions and light weight make it easy to store or carry to a workshop for installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage size: 9.5\" L x 9.5\" W x 0.5\" H\u003c\/li\u003e\n  \u003cli\u003ePackage weight: 0.5 pounds for the full eight-plug set\u003c\/li\u003e\n  \u003cli\u003eIncludes eight spark plugs—one-plug-per-cylinder replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and maintain these spark plugs?\u003c\/h3\u003e\n\u003cp\u003eInstall using proper torque and a gap check if required by your vehicle’s service manual. While the plugs come with a specific gap, always verify compatibility and follow torque specs to avoid damage to threads or the electrode.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm vehicle OEM recommendations before installation\u003c\/li\u003e\n  \u003cli\u003eUse a torque wrench to the manufacturer’s specified torque value\u003c\/li\u003e\n  \u003cli\u003eInspect ignition boots and wiring when replacing plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Denso 3297 8-pack is aimed at DIY mechanics, professional technicians, and vehicle owners who need a full set of long-life iridium spark plugs for compatible gasoline engines. It’s especially useful for those replacing all plugs at once to ensure uniform ignition performance across every cylinder and for anyone seeking a balance of durability and consistent electrical firing without frequent replacements.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these Denso 3297 spark plugs pre-gapped?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, they are factory-set to a 0.043\" (1.1 mm) gap, but you should verify and adjust to your vehicle’s specs before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many spark plugs are included in this set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This product includes eight genuine Denso 3297 iridium spark plugs—one plug per cylinder for compatible engines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48080343236766,"sku":"B071XF75JG","price":149.58,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-3297-front-packaging.jpg?v=1785780476"},{"product_id":"denso-iridium-platinum-spark-plugs-sk20hr11-3421-6-pack-oem-fit-long-life-ignition","title":"Denso Iridium-Platinum Spark Plugs SK20HR11 (3421) 6-Pack — OEM Fit, Long-Life Ignition","description":"\u003cp\u003e\u003cstrong\u003eDENSO SK20HR11 (3421) is a genuine six-piece power pack of iridium-platinum spark plugs engineered for consistent ignition, extended electrode life, and factory-quality fitment.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese DENSO 3421 spark plugs combine an iridium center electrode with a platinum ground electrode in a factory-packed six-piece set designed to meet or exceed original equipment specifications. The SK20HR11 construction emphasizes precise spark delivery and durability under a wide range of driving conditions. Supplied as a power pack of six, they’re ideal for multi-cylinder tune-ups and routine maintenance where OEM-equivalent performance is required.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes the SK20HR11 iridium-platinum design different?\u003c\/h3\u003e\n\u003cp\u003eThe SK20HR11 uses a fine iridium center electrode paired with a platinum ground electrode to reduce wear and support stable sparking across the service life. Iridium’s hardness allows a much finer electrode tip, which lowers required voltage and focuses the spark for efficient combustion initiation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFine iridium center electrode for concentrated spark and lower firing voltage\u003c\/li\u003e\n  \u003cli\u003ePlatinum ground electrode for improved wear resistance and longevity\u003c\/li\u003e\n  \u003cli\u003eRobust ceramic insulator and metal shell for thermal stability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will these plugs affect everyday driving and starting?\u003c\/h3\u003e\n\u003cp\u003eIn normal driving, the precise spark characteristics help maintain consistent ignition timing and smoother idle. That can translate into dependable cold starts and fewer misfires as the plugs age, while keeping engine response predictable across typical operating conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReliable starts from improved spark focus\u003c\/li\u003e\n  \u003cli\u003eStable idle and reduced misfires during routine use\u003c\/li\u003e\n  \u003cli\u003eSuitable for both city stop-and-go and highway driving\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these DENSO plugs compatible with my vehicle and how easy is installation?\u003c\/h3\u003e\n\u003cp\u003eSK20HR11 (DENSO 3421) fits applications that specify the SK20HR11 or equivalent part numbers—always cross-reference your vehicle’s service manual or parts catalog. Installation follows standard spark plug replacement procedures and is straightforward for anyone with basic tools and mechanical experience.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck compatibility against your vehicle’s specified spark plug part numbers\u003c\/li\u003e\n  \u003cli\u003eInstall with proper torque and a clean plug hole to ensure correct sealing\u003c\/li\u003e\n  \u003cli\u003eSold as a six-piece power pack for complete multi-cylinder replacements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long can I expect these spark plugs to last compared to conventional plugs?\u003c\/h3\u003e\n\u003cp\u003eIridium and platinum alloys are selected for wear resistance, so SK20HR11 plugs typically outlast standard copper plugs under comparable conditions. Lifespan varies by engine design, driving style, and maintenance, but the materials and DENSO’s manufacturing standards prioritize extended service intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIridium and platinum resist electrode erosion better than copper\u003c\/li\u003e\n  \u003cli\u003eDurability supports longer intervals between replacements when used per manufacturer guidance\u003c\/li\u003e\n  \u003cli\u003ePerformance retention depends on engine health and operating environment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The DENSO SK20HR11 (3421) six-pack is aimed at vehicle owners, mechanics, and fleets seeking OEM-quality replacement spark plugs with enhanced electrode materials. It’s a practical choice for those performing full multi-cylinder tune-ups, anyone wanting longer service life than standard copper plugs, and people who prioritize reliable ignition performance that matches factory specifications.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many spark plugs are included in this DENSO power pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This listing contains one power pack with six DENSO SK20HR11 (3421) spark plugs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can SK20HR11 plugs be used as a direct replacement for OEM parts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, SK20HR11 (DENSO 3421) is manufactured to meet OEM fit and performance for compatible applications; confirm fitment with your vehicle guide.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48080857104542,"sku":"B00PD66Q86","price":143.22,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-sk20hr11-front-packaging.jpg?v=1785790678"},{"product_id":"denso-iridium-long-life-spark-plugs-3421-8-pack-043-1-1mm-gap-iridium-core-for-reliable-ignition","title":"Denso Iridium Long-Life Spark Plugs 3421 — 8-Pack .043\" (1.1mm) Gap, Iridium Core for Reliable Ignition","description":"\u003cp\u003e\u003cstrong\u003eThese are genuine Denso Iridium long-life spark plugs (model 3421), sold as an 8-piece set with a .043\" (1.1 mm) electrode gap for direct replacement in compatible engines.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf you need reliable ignition components for a maintenance job or tune-up, this boxed set of eight Denso 3421 spark plugs provides factory-quality parts and original packaging. Denso is an established OEM supplier, and the iridium-tipped electrodes in this model are engineered to deliver consistent spark performance and extended service life compared with standard copper plugs. This product listing covers the authentic Denso parts, shipped as a complete eight-plug pack intended to replace worn or failing plugs in vehicles that call for this specific part number and gap size.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these Denso iridium plugs improve ignition consistency?\u003c\/h3\u003e\n\u003cp\u003eThe iridium center electrode offers a finer tip and higher melting point than conventional materials, which helps maintain a focused, steady spark over long service intervals. That focused spark enhances combustion stability under varying driving conditions without changing engine systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIridium core center electrode for reliable spark delivery\u003c\/li\u003e\n  \u003cli\u003eFine tip design promotes efficient combustion\u003c\/li\u003e\n  \u003cli\u003eDurable construction resists wear and maintains gap\u003c\/li\u003e\n  \u003cli\u003eSold as a matched set of eight for uniform replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these plugs fit my vehicle and how do I confirm compatibility?\u003c\/h3\u003e\n\u003cp\u003eThese are Denso part number 3421 with a .043\" (1.1 mm) factory gap; compatibility depends on your engine’s specified plug type and heat range. Always verify fitment against your vehicle’s service manual or the retailer’s confirmed-fit tool before purchase to ensure correct thread size, reach, and heat rating.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePart: Denso 3421, gap set to .043\" (1.1 mm)\u003c\/li\u003e\n  \u003cli\u003eConfirm thread size and reach with vehicle specifications\u003c\/li\u003e\n  \u003cli\u003eUse seller\/retailer fitment tools or OEM cross-reference lists\u003c\/li\u003e\n  \u003cli\u003eReplacement requires same heat range and seat type as original\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and maintain these spark plugs for best results?\u003c\/h3\u003e\n\u003cp\u003eInstall by hand-first threading to avoid cross-threading, then torque to the manufacturer’s specification using a torque wrench or a calibrated socket. Check and re-torque if the engine head is aluminum and follow routine inspection intervals to maintain optimal gap and performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHand-thread before final torque to prevent damage\u003c\/li\u003e\n  \u003cli\u003eApply recommended torque from vehicle manufacturer\u003c\/li\u003e\n  \u003cli\u003eInspect gap and electrode condition at service intervals\u003c\/li\u003e\n  \u003cli\u003eReplace in matched sets when multiple plugs are fouled or aged\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included in the box and why buy the 8-pack?\u003c\/h3\u003e\n\u003cp\u003eThis listing includes eight genuine Denso 3421 spark plugs, original packaging, and any small hardware packaged by the manufacturer. Purchasing the full set ensures all cylinders receive identical, factory-matched plugs—important for balanced engine performance and smoother operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEight genuine Denso 3421 spark plugs in original packaging\u003c\/li\u003e\n  \u003cli\u003eIncludes manufacturer hardware where applicable\u003c\/li\u003e\n  \u003cli\u003eSold as direct-replacement components—no modification needed\u003c\/li\u003e\n  \u003cli\u003eConvenient for multi-cylinder engines and full-tune-up jobs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Mechanics, DIY enthusiasts, and fleet owners looking for OEM-quality ignition components will find this set suitable when the vehicle manufacturer specifies Denso 3421 or an equivalent iridium plug with a .043\" (1.1 mm) gap. Choose this eight-pack when you need consistent, long-life spark plugs for a complete tune-up of multi-cylinder engines and want the reassurance of authentic Denso parts.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the electrode gap of these Denso spark plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: .043\" (1.1 mm) gap pre-set for Denso 3421 spark plugs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these genuine Denso parts sold as a full kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — this listing includes eight genuine Denso 3421 spark plugs with original packaging and hardware.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48081424580766,"sku":"B0721V9JYZ","price":161.71,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-3421-front-packaging.jpg?v=1785803714"},{"product_id":"denso-direct-ignition-coil-673-1307-stick-coil-direct-fit-high-energy-replacement-for-toyota-scion-lexus","title":"Denso Direct Ignition Coil 673-1307 Stick Coil — Direct-Fit, High-Energy Replacement for Toyota\/Scion\/Lexus","description":"\u003cp\u003e\u003cstrong\u003eThe Denso Direct Ignition Coil 673-1307 is a factory-grade replacement stick coil engineered to deliver consistent high-voltage spark for compatible Toyota, Scion, Lexus HS250h, and Pontiac Vibe engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis ignition coil is a direct-fit replacement designed for specific model years of Toyota (Camry, Corolla, Highlander, Matrix, RAV4, Solara), Scion (tC, xB), Lexus HS250h, and Pontiac Vibe. Built on Denso’s decades-long expertise in compact stick-type coils and advanced driver circuitry, part number 673-1307 installs directly into the spark plug well to remove the need for conventional high-tension leads while providing reliable ignition output under normal driving conditions.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and years is the 673-1307 coil compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis coil is made to match OEM specifications for a range of Toyota, Scion, Lexus, and Pontiac applications. Confirm fitment by cross-checking your vehicle year and engine or by comparing the part number to your existing coil.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2010–2012 Lexus HS250h\u003c\/li\u003e\n  \u003cli\u003e2009–2010 Pontiac Vibe\u003c\/li\u003e\n  \u003cli\u003e2005–2010 Scion tC; 2012–2015 Scion xB\u003c\/li\u003e\n  \u003cli\u003eToyota: Camry (2002–2005, 2007–2011), Corolla (2009–2010), Highlander (2001–2007), Matrix (2009–2010, 2013), RAV4 (2001–2008), Solara (2002–2007)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this Denso stick coil improve ignition performance?\u003c\/h3\u003e\n\u003cp\u003eDesigned to supply stable, high-energy spark, the 673-1307 coil supports consistent combustion across varied driving conditions. Its stick-type form factor places the coil directly atop the spark plug, reducing energy loss from cables and improving transfer efficiency.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact stick design eliminates high-tension leads for cleaner spark delivery\u003c\/li\u003e\n  \u003cli\u003eMicro-sized driver circuits help manage waveform and timing\u003c\/li\u003e\n  \u003cli\u003eDiagonal inductive windings promote efficient high-voltage generation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the practical installation and specification details?\u003c\/h3\u003e\n\u003cp\u003eThe coil is a 12V unit sized for tight spark plug bores and packaged for efficient shipping. Installation typically follows OEM procedures—remove the old coil and plug, seat the new stick coil into the spark plug well, and reconnect any wiring harnesses.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVoltage: 12V — compatible with standard vehicle electrical systems\u003c\/li\u003e\n  \u003cli\u003ePackage dimensions: 7.9 × 20.9 × 8 cm; weight: 0.291 kg for shipping reference\u003c\/li\u003e\n  \u003cli\u003eDirect-fit design made to match factory mounting and electrical connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen should I replace a faulty ignition coil with part 673-1307?\u003c\/h3\u003e\n\u003cp\u003eReplace this coil when you experience misfires, rough idle, reduced acceleration, or when a diagnostic scan points to coil-related trouble codes. Using a like-for-like Denso replacement helps restore ignition consistency and avoids compatibility issues from non-matching aftermarket parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSwap if you see rough running or frequent misfire codes tied to a cylinder\u003c\/li\u003e\n  \u003cli\u003eRecommended to replace in matched sets for multi-coil failures or high-mileage engines\u003c\/li\u003e\n  \u003cli\u003eUse OEM-equivalent connectors and mounting to maintain performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Drivers and independent technicians who own compatible Toyota, Scion, Lexus HS250h, or Pontiac Vibe vehicles and need an OEM-quality direct ignition coil replacement. It’s a practical choice for routine maintenance, targeted cylinder repairs, or when restoring reliable spark delivery in engines that use stick-type coils. Choose Denso 673-1307 when you want a direct-fit coil engineered by the original innovator of compact stick ignition technology.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Denso 673-1307 a direct fit for my Toyota Camry?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes if your Camry is within the listed years (2002–2005 or 2007–2011). Always verify by matching part numbers or vehicle specifics.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I replace a single coil or should I replace all?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You can replace a single failing coil, but replacing multiple coils is advised for high-mileage engines or when several cylinders show issues.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48081465802910,"sku":"B002Y35O5W","price":149.58,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-coil-front-view.jpg?v=1785805893"},{"product_id":"denso-o2-oxygen-sensor-234-4621-direct-fit-for-select-acura-honda-4-wire-heated-zirconia","title":"Denso O2 Oxygen Sensor 234-4621 — Direct-Fit for Select Acura \u0026 Honda, 4-Wire Heated Zirconia","description":"\u003cstrong\u003eDenso 234-4621 is a direct-fit narrow-band oxygen (O2) sensor built to OE standards for select Acura and Honda models, providing accurate air–fuel monitoring and long-lasting operation.\u003c\/strong\u003e\n\n\u003cp\u003eThis replacement O2 sensor from Denso is engineered to match original equipment fit and function for a range of Acura and Honda vehicles. It uses a refined zirconia sensing element and Denso's protective aluminum oxide trap layer to resist common contaminants, while a 4-wire 20.28-inch harness simplifies installation and electrical integration. The result is a component designed to deliver dependable readings, corrosion resistance, and a long service life when compared to cheaper aftermarket alternatives.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this sensor affect my vehicle’s performance?\u003c\/h3\u003e\n\u003cp\u003eAccurate oxygen readings are essential for the engine control unit to maintain the correct air–fuel ratio. Installing a properly functioning sensor helps the ECU make precise fuel trims, which supports smoother idling, consistent throttle response, and more stable emissions control.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRefined zirconia element gives faster, reliable voltage response to exhaust oxygen content.\u003c\/li\u003e\n  \u003cli\u003ePTFE filter reduces contaminant buildup that dulls sensor accuracy.\u003c\/li\u003e\n  \u003cli\u003e4-wire harness provides heater feedback for quicker warm-up and stable readings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this Denso part fit my Acura or Honda model?\u003c\/h3\u003e\n\u003cp\u003eDenso part 234-4621 is designed for a specific list of Acura and Honda years and models. Confirm compatibility by cross-referencing the part number and vehicle year — the sensor is intended as a direct replacement for the listed applications and common OEM interchange numbers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAcura: 2001–2003 CL, 2001–2003 EL, 2000–2005 NSX, 1999–2003 TL.\u003c\/li\u003e\n  \u003cli\u003eHonda: 1990–1993 \u0026amp; 1998–2002 Accord, 2001–2003 Civic, 1997–2001 Prelude.\u003c\/li\u003e\n  \u003cli\u003eAlso matches multiple OEM interchange numbers for straightforward replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is this Denso sensor protected against contamination and corrosion?\u003c\/h3\u003e\n\u003cp\u003eDenso adds material and design features to limit performance loss from exposure to exhaust contaminants and road conditions. Corrosion-resistant stainless steel and a PTFE filter reduce external and internal fouling, while an aluminum oxide trap protects the ceramic sensing element from silicon and lead contamination.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStainless steel housing resists corrosion from moisture and road salts.\u003c\/li\u003e\n  \u003cli\u003ePTFE filter blocks particulates that can impair sensor response.\u003c\/li\u003e\n  \u003cli\u003eAluminum oxide trap extends element life against contaminant poisoning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow straightforward is installation and what are the physical specs?\u003c\/h3\u003e\n\u003cp\u003eThe sensor ships with a 4-wire 20.28-inch wiring harness to match original electrical connections and heater control. Dimensionally compact and lightweight, it’s intended for a first-time fit in compatible exhaust locations; basic mechanical skills and common tools are typically all that’s required to install it.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes 20.28-inch 4-wire harness for plug-and-play electrical connection.\u003c\/li\u003e\n  \u003cli\u003eItem dimensions approximately 5.75 x 2.19 x 1.88 inches; weight about 0.25 lb.\u003c\/li\u003e\n  \u003cli\u003ePackage quantity: 1 sensor — replace one upstream or downstream unit as needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Denso 234-4621 O2 sensor is aimed at owners, mechanics, and restoration enthusiasts working on the listed Acura and Honda models who want an OE-quality replacement. It’s suitable for anyone seeking a robust, contamination-resistant narrow-band sensor with direct-fit wiring, including those servicing emissions systems, tuning fuel trims, or restoring vehicle drivability after a failing oxygen sensor.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this sensor fit my 2002 Acura TL?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — Denso 234-4621 is listed for 1999–2003 Acura TL models; verify your vehicle’s OEM part number to confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the harness long enough for direct replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it includes a 4-wire harness 20.28 inches long intended to match original connections for direct fit.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48082907070622,"sku":"B000C5YCUM","price":83.75,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-234-4621-front-view.jpg?v=1785819151"},{"product_id":"denso-iridium-tt-spark-plugs-ikh16tt-4-pack-0-4mm-iridium-center-twin-tip-for-better-ignition-and-longevity","title":"Denso Iridium TT Spark Plugs IKH16TT 4-Pack — 0.4mm Iridium Center, Twin‑Tip for Better Ignition and Longevity","description":"\u003cp\u003e\u003cstrong\u003eDenso IKH16TT Iridium TT spark plugs are high-performance, long-life ignition plugs built with a 0.4mm iridium center electrode and Twin‑Tip design for better ignitability, fuel economy, and durability.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese IKH16TT plugs combine Denso’s iridium and platinum materials with a 360-degree laser‑welded construction to deliver an extended service life and consistent spark performance. Engineered to minimize electrode interference and maximize spark concentration, the Twin‑Tip (TT) configuration helps engines start quicker and run cleaner under a wide range of driving conditions. Each 4703-4 PK set includes four pre-fired, machine‑threaded plugs ready for reliable installation.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these plugs enhance ignition performance?\u003c\/h3\u003e\n\u003cp\u003eDenso Iridium TT plugs concentrate spark energy on a fine iridium center electrode and a needle‑thin ground electrode to create a more focused, reliable spark. This design improves the plug’s ability to ignite the air–fuel mixture more consistently across rpm ranges, which supports smoother throttle response and steadier combustion.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e0.4mm iridium center electrode for precise spark formation\u003c\/li\u003e\n  \u003cli\u003e0.7mm needle tip ground electrode reduces spark energy loss\u003c\/li\u003e\n  \u003cli\u003eTwin‑Tip design focuses the spark and reduces misfires\u003c\/li\u003e\n  \u003cli\u003e360° laser welding ensures a secure electrode bond\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these plugs last longer than standard spark plugs?\u003c\/h3\u003e\n\u003cp\u003eYes — Denso’s patented iridium alloy and the durable laser‑weld process extend service life well beyond conventional plugs. The materials and construction are selected to resist wear, helping the plugs maintain consistent gap and performance for many miles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh‑concentration iridium alloy for superior electrode wear resistance\u003c\/li\u003e\n  \u003cli\u003ePlatinum elements add stability under high heat\u003c\/li\u003e\n  \u003cli\u003ePre‑fired quality control reduces early failures\u003c\/li\u003e\n  \u003cli\u003eDesigned for service life exceeding 100,000 miles under normal conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installation and reliability features should I expect?\u003c\/h3\u003e\n\u003cp\u003eDenso builds these plugs with installer‑friendly and engine‑safe features to minimize problems during service. Machine‑rolled threads and a copper‑glass seal improve fit, prevent seizing, and keep combustion gases contained around the insulator.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMachine‑rolled threads to prevent cross‑threading and seizure\u003c\/li\u003e\n  \u003cli\u003eCopper‑glass seal for a gas‑tight bond between electrode and insulator\u003c\/li\u003e\n  \u003cli\u003ePurified alumina insulator for strength and thermal conductivity\u003c\/li\u003e\n  \u003cli\u003eFive‑rib insulator design to prevent flashover and improve reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will these plugs impact everyday driving and fuel economy?\u003c\/h3\u003e\n\u003cp\u003eBy improving ignitability and promoting more complete combustion, Iridium TT plugs can help engines run more efficiently and respond better to throttle inputs. While actual fuel savings depend on driving habits and vehicle condition, many drivers notice smoother acceleration and steadier idling after installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproved ignitability can reduce incomplete combustion events\u003c\/li\u003e\n  \u003cli\u003eSmoother power delivery and faster throttle response\u003c\/li\u003e\n  \u003cli\u003eConsistent spark reduces rough idling and hesitation\u003c\/li\u003e\n  \u003cli\u003eLonger service intervals compared with conventional plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Drivers and technicians who want a high‑durability, performance‑oriented replacement spark plug that balances longevity with improved ignition. Ideal for modern gasoline engines where stable, concentrated spark and long intervals between changes are priorities — especially for owners seeking reduced maintenance frequency and predictable engine response.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these Denso IKH16TT plugs compatible with my car?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check your vehicle's owner's manual or parts lookup for IKH16TT fitment; compatibility depends on engine and manufacturer specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace Denso Iridium TT plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Under normal driving, these plugs are rated for extended life—commonly up to 100,000 miles—but follow your vehicle manufacturer’s recommended interval.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48082908184734,"sku":"B071FR51VC","price":93.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-ikh16tt-front-packaging.jpg?v=1785819208"},{"product_id":"denso-sk20r11-3297-spark-plugs-pack-of-4-oem-replacement-correct-fit-reliable-ignition","title":"Denso SK20R11 (3297) Spark Plugs Pack of 4 — OEM Replacement, Correct Fit \u0026 Reliable Ignition","description":"\u003cp\u003e\u003cstrong\u003eThe Denso SK20R11 (3297) spark plug pack of four is an OEM-quality direct-replacement spark plug set designed to restore reliable ignition and correct fitment for compatible vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your engine is due for routine service, swapping to a matched set of four genuine Denso 3297 spark plugs makes the ignition components uniform and helps preserve the factory calibration. These are sold as an original-equipment manufacturer (OEM) item, supplied with original packaging and the hardware you expect from a factory part. They’re intended to be used as direct replacements—check your vehicle compatibility before purchase to ensure correct thread, heat range, and electrode design.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these spark plugs fit my vehicle?\u003c\/h3\u003e\n\u003cp\u003eThese Denso SK20R11 plugs are manufactured to the same specifications as many original factory-installed spark plugs. Fitment can vary by engine and model year, so it’s important to verify compatibility using the vehicle’s parts lookup or the retailer’s confirmed-fit tool. If the model number matches your OEM part number, these are engineered to accept the same spark plug socket and torque settings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePart number: Denso 3297 \/ SK20R11\u003c\/li\u003e\n  \u003cli\u003eSold as a pack of four for multi-cylinder engines\u003c\/li\u003e\n  \u003cli\u003eIncludes original packaging and mounting hardware\u003c\/li\u003e\n  \u003cli\u003eVerify fit with your vehicle’s parts guide or Amazon Confirmed Fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat benefits will I notice after replacing spark plugs?\u003c\/h3\u003e\n\u003cp\u003eReplacing worn spark plugs restores a consistent spark, which helps the engine run smoothly and reduces misfires. You may notice steadier idle and improved throttle response as ignition timing and combustion return to expected behavior. While plugs aren’t a performance upgrade, fresh OEM plugs help maintain the engine’s designed balance of efficiency and responsiveness.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproved ignition consistency across cylinders\u003c\/li\u003e\n  \u003cli\u003eReduced chance of misfires and rough idling\u003c\/li\u003e\n  \u003cli\u003eRestores intended engine responsiveness\u003c\/li\u003e\n  \u003cli\u003eMaintains manufacturer-specified performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should these be installed and maintained?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows standard spark plug replacement procedures: remove old plugs, inspect the cylinder and boots, gap (if required), and torque the new plugs to the vehicle manufacturer’s specification. Use a clean torque wrench and anti-seize only if the vehicle manufacturer recommends it. Keep a record of installation mileage and inspect plugs periodically for electrode wear or deposits to determine service intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse specified torque values from the vehicle manual\u003c\/li\u003e\n  \u003cli\u003eCheck spark plug gap only if the manufacturer specifies adjustment\u003c\/li\u003e\n  \u003cli\u003eInspect ignition boots and wires\/coil packs when replacing plugs\u003c\/li\u003e\n  \u003cli\u003eRecord installation mileage for future maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Mechanics, DIY car owners, and fleet maintainers seeking a genuine Denso replacement for vehicles that list 3297 (SK20R11) as the compatible part will find this pack suited to routine maintenance and repairs. These plugs are aimed at those who want an OEM-matching part delivered with original packaging and the appropriate hardware for a straightforward swap. Always confirm vehicle fitment before purchase to ensure the correct thread size, reach, and heat range for your engine.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these Denso 3297 plugs genuine OEM parts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This listing is for genuine Denso SK20R11 (3297) spark plugs supplied in original packaging with included hardware.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use these for any four-cylinder engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Only if the engine specifies Denso 3297 \/ SK20R11 as the correct part. Always confirm fitment with your vehicle’s parts lookup first.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48083133792414,"sku":"B005BE5GG8","price":93.11,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-spark-plug-front-packaging.jpg?v=1785825929"},{"product_id":"denso-iridium-long-life-spark-plugs-sk16r11-3324-4-pack-durable-iridium-tips-for-stable-ignition","title":"Denso Iridium Long Life Spark Plugs SK16R11 (3324) — 4‑Pack, Durable Iridium Tips for Stable Ignition","description":"\u003cp\u003e\u003cstrong\u003eDENSO SK16R11 Iridium Long Life spark plugs — a genuine 4-pack replacement designed to restore reliable ignition performance and extended service life.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese DENSO 3324 (SK16R11) iridium spark plugs come as an authentic four-piece set intended for direct-fit replacement in compatible engines. Built using DENSO’s iridium tip technology and manufactured to original-equipment specifications, they offer consistent spark delivery and corrosion-resistant construction. The package includes original packaging and the correct hardware to simplify installation; always verify vehicle compatibility with your fitment tool before purchase.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these spark plugs improve ignition reliability?\u003c\/h3\u003e\n\n\u003cp\u003eDenso’s iridium tip provides a precise, durable electrode that requires less voltage to fire and resists wear compared with standard nickel plugs. That steadier spark timing helps maintain smooth starts and consistent combustion across operating conditions.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFine iridium center electrode for consistent spark formation\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant materials to preserve contact quality\u003c\/li\u003e\n  \u003cli\u003eStable gap retention reduces misfires over time\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these plugs fit my vehicle and how do I confirm compatibility?\u003c\/h3\u003e\n\n\u003cp\u003eThe SKU SK16R11 corresponds to DENSO part number 3324 and fits vehicles specified by that OE cross-reference. Compatibility depends on make, model, engine code and year, so check your vehicle’s service manual or use the retailer’s fitment\/vehicle compatibility tool before ordering.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePart number: DENSO 3324 (SK16R11)\u003c\/li\u003e\n  \u003cli\u003eSold as a 4-piece genuine DENSO replacement pack\u003c\/li\u003e\n  \u003cli\u003eConfirm fitment via online fitment tool or dealer reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long can I expect these iridium plugs to last?\u003c\/h3\u003e\n\n\u003cp\u003eIridium electrodes typically outlast conventional plugs due to their hardness and higher melting point, giving longer service intervals under normal driving conditions. Actual lifespan depends on driving habits, engine condition, and maintenance, but iridium plugs commonly provide extended mileage before a replacement is needed.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDurable iridium tip for extended service life\u003c\/li\u003e\n  \u003cli\u003eBetter gap stability compared with standard plugs\u003c\/li\u003e\n  \u003cli\u003eReplace according to vehicle manufacturer guidelines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the package and is installation straightforward?\u003c\/h3\u003e\n\n\u003cp\u003eThis listing contains a genuine DENSO four-pack (4 PCS) of SK16R11 spark plugs, shipped in original packaging with necessary hardware. Installation is direct-replacement for compatible engines; basic hand tools and torque specifications are required, or have a qualified technician perform the swap if unsure.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eIncludes four DENSO 3324 (SK16R11) spark plugs in original packaging\u003c\/li\u003e\n  \u003cli\u003eIncludes required sealing\/insulator hardware when applicable\u003c\/li\u003e\n  \u003cli\u003eDirect replacement — follow torque specs and gap settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This DENSO 4-pack is aimed at vehicle owners and professional mechanics seeking authentic OEM-quality iridium spark plugs for routine maintenance or performance restoration. It’s suitable for drivers who prefer longer service intervals and consistent ignition performance, and for anyone replacing all cylinders during a tune-up to maintain even combustion across the engine.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these DENSO SK16R11 spark plugs genuine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — this listing is for genuine DENSO 3324 SK16R11 spark plugs sold as a new four-pack in original packaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need special tools to install them?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Basic hand tools and a torque wrench are recommended; consult vehicle specs or have a mechanic install them if unsure.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48083141066910,"sku":"B00LVBZMFU","price":87.96,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-spark-plug-front-packaging-sk16r11.jpg?v=1785826300"},{"product_id":"denso-4503-pk16tt-platinum-tt-spark-plugs-6-pack-twin-tip-1-1mm-platinum-for-longer-life","title":"Denso 4503 PK16TT Platinum TT Spark Plugs — 6‑Pack, Twin‑Tip 1.1mm Platinum for Longer Life","description":"\u003cp\u003e\u003cstrong\u003eThese are genuine Denso 4503 Platinum TT (PK16TT) spark plugs sold as a 6-piece set, designed with a twin‑tip platinum center and a titanium‑enhanced ground electrode for longer life and stable ignition.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt to the manufacturer's specifications, the Denso 4503 Platinum TT spark plugs combine a fine 1.1 mm platinum center electrode with a twin‑tip geometry and precision 360° laser welding. The design focuses on consistent spark delivery, reduced tip erosion and enhanced durability compared with conventional plugs. This listing is for a complete 6‑plug pack—ideal for engines that require a full set replacement to restore even firing and efficient combustion.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the Twin‑Tip design affect ignition consistency?\u003c\/h3\u003e\n\u003cp\u003eThe Twin‑Tip layout places two electrodes near the gap to promote a more focused spark path and stable ignition. That helps reduce misfires and supports more uniform combustion across cylinders, particularly under varied engine loads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDual tip geometry for a concentrated spark\u003c\/li\u003e\n  \u003cli\u003eReduced electrode erosion for longer service life\u003c\/li\u003e\n  \u003cli\u003eImproved firing stability during cold starts and acceleration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and manufacturing features improve durability?\u003c\/h3\u003e\n\u003cp\u003eDenso uses a 1.1 mm platinum center electrode paired with a titanium‑enhanced alloy on the ground electrode, and secures the components with 360° laser welding. These materials and processes reduce wear at the firing tip and maintain optimal gap for more miles between replacements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1.1 mm platinum center electrode for wear resistance\u003c\/li\u003e\n  \u003cli\u003eTitanium‑enhanced ground alloy to minimize tip erosion\u003c\/li\u003e\n  \u003cli\u003e360° laser welding for robust electrode bonds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich engine types and vehicles are these plugs suitable for?\u003c\/h3\u003e\n\u003cp\u003eThese Denso PK16TT plugs are intended for engines that specify the 4503\/PK16TT part number or equivalent specifications. They are commonly used where manufacturers call for platinum‑tipped plugs and where improved durability and steady performance are desired.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect fit when the vehicle manual lists Denso 4503\/PK16TT\u003c\/li\u003e\n  \u003cli\u003eAppropriate for gasoline engines requiring platinum electrodes\u003c\/li\u003e\n  \u003cli\u003eSold as a 6‑pack for engines with six spark plug cylinders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and maintain these spark plugs?\u003c\/h3\u003e\n\u003cp\u003eInstall using a torque wrench to the vehicle maker’s specified torque and confirm proper gap if required by the service manual. Regular inspection during tune‑ups helps detect fouling or wear; replace the full set when any plug shows significant degradation to keep engine performance balanced.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTorque to manufacturer specification during installation\u003c\/li\u003e\n  \u003cli\u003eCheck plug gap only if the service manual recommends it\u003c\/li\u003e\n  \u003cli\u003eReplace all plugs in multi‑cylinder engines together for consistent performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Mechanics, DIY enthusiasts and fleet maintainers seeking a factory‑style replacement that emphasizes longevity and reliable spark delivery. Choose this six‑pack of Denso 4503 Platinum TT plugs when your vehicle’s service specification calls for PK16TT or similar platinum twin‑tip designs and you want a durable, OEM‑quality set for routine maintenance or performance restoration.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these genuine Denso spark plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — this listing is for genuine Denso 4503 Platinum TT spark plugs sold as a 6‑piece pack.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to adjust the gap before installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Most Denso plugs arrive pre‑gapped; check your vehicle’s service manual and adjust only if specified.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48083142279326,"sku":"B00S3GUW1U","price":92.94,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-4503-pack-front-view.jpg?v=1785826374"},{"product_id":"denso-direct-ignition-coil-673-1310-for-toyota-scion-lexus-pontiac-stick-style-oem-fit-and-high-energy-spark","title":"Denso Direct Ignition Coil 673-1310 for Toyota\/Scion\/Lexus\/Pontiac – Stick‑Style, OEM Fit and High‑Energy Spark","description":"\u003cp\u003e\u003cstrong\u003eDenso 673-1310 is a direct-fit stick-style ignition coil engineered to replace worn coils on a range of Toyota, Scion, Lexus and Pontiac vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis coil is a purpose-built replacement part from Denso, the company that pioneered compact stick-type ignition coils. Designed to sit directly over the spark plug bore without a separate high-tension lead, the 673-1310 delivers consistent high-voltage output tailored for the exact engines it serves. It’s optimized for combustion efficiency and long-term durability while matching factory electrical and mechanical specifications.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and model years does this Denso coil fit?\u003c\/h3\u003e\n\u003cp\u003eThe 673-1310 is manufactured to replace original coils on many popular compact and hybrid models. It covers specific years across Toyota, Scion, Lexus and Pontiac lineups so you can find a direct replacement without modification.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eToyota: Corolla (2009–2019), Corolla iM (2017–2018), C-HR (2018–2022), Matrix (2009–2013), Prius (2010–2015), Prius Plug-In (2012–2015), Prius V (2012–2018)\u003c\/li\u003e\n  \u003cli\u003eScion: xD (2008–2014), iM (2016)\u003c\/li\u003e\n  \u003cli\u003eLexus: CT200h (2011–2017)\u003c\/li\u003e\n  \u003cli\u003ePontiac: Vibe (2009–2010)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this Denso direct ignition coil improve engine performance?\u003c\/h3\u003e\n\u003cp\u003eBy delivering steady, high-energy spark pulses matched to the vehicle’s original ignition timing, this coil supports stable combustion and smoother engine operation. Its stick-coil layout minimizes energy loss by eliminating long ignition leads and reduces electromagnetic interference.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact stick-type design installs directly over the spark plug bore for efficient energy transfer.\u003c\/li\u003e\n  \u003cli\u003eMicro driver circuitry and optimized winding produce consistent spark intensity.\u003c\/li\u003e\n  \u003cli\u003eReduces voltage waste and helps maintain fuel efficiency under normal driving.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the build and quality features to expect from Denso 673-1310?\u003c\/h3\u003e\n\u003cp\u003eDenso designs and tests coils to meet strict OEM standards; the 673-1310 includes engineering improvements derived from decades of ignition research. The unit is inspected and validated to ensure proper electrical characteristics and a robust physical fit for the specified engines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered for specific vehicle applications to ensure correct electrical output and fitment.\u003c\/li\u003e\n  \u003cli\u003eTested and inspected for performance and reliability before shipment.\u003c\/li\u003e\n  \u003cli\u003eDurable materials resist heat and vibration found in modern engine bays.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I install the Denso coil myself and what should I check?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic engine work: the coil replaces the original stick coil on the spark plug bore with simple electrical connector hookup. Always follow vehicle service manual steps and verify proper torques and connector seating to prevent misfires or electrical faults.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDisconnect battery before starting and work on a cool engine to avoid burns.\u003c\/li\u003e\n  \u003cli\u003eMatch part number 673-1310 with your vehicle’s OEM reference and orientation.\u003c\/li\u003e\n  \u003cli\u003eInspect spark plugs and connectors while replacing the coil for best results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Denso 673-1310 is aimed at owners and technicians of the listed Toyota, Scion, Lexus and Pontiac models who need a reliable, factory-quality replacement coil. It suits drivers prioritizing correct OEM fitment, consistent ignition output, and long-term reliability for everyday commuting and light performance needs.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Denso 673-1310 a direct replacement for my Corolla or Prius?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If your Corolla or Prius falls within the listed model years, 673-1310 is a direct-fit replacement. Match the part number and confirm vehicle year to be sure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will replacing one coil fix misfires and rough idle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replacing a faulty coil can stop misfires caused by that coil, but inspect spark plugs and wiring to rule out other issues.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48083153223838,"sku":"B01KGCPCS6","price":86.06,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-673-1310-front-view.jpg?v=1785826643"},{"product_id":"denso-iridium-spark-plugs-sc16hr11-3499-4-pk-4-pack-long-life-0-7mm-center-electrode-copper-core","title":"Denso Iridium Spark Plugs SC16HR11 3499-4 PK — 4‑Pack Long‑Life 0.7mm Center Electrode, Copper Core","description":"\u003cstrong\u003eDenso SC16HR11 iridium long-life spark plugs (3499-4 PK) are high-performance replacement plugs built for improved ignitability and extended service life.\u003c\/strong\u003e\n\n\u003cp\u003eEngineered with Denso's patented iridium alloy and a precision 0.7 mm center electrode, these plugs use the same laser-welding technology found in higher-performance Denso lines but tuned for durability and longevity. They pair a copper-core center electrode for efficient heat transfer with a five-rib insulator and dual sealing to reduce misfires and voltage loss. For drivers seeking dependable, long-lasting ignition components that OE manufacturers choose for luxury models, these plugs are a practical upgrade.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these plugs improve starting and throttle response?\u003c\/h3\u003e\n\u003cp\u003eThe SC16HR11's slim iridium-tipped center electrode focuses the spark, which helps consistent ignition under varying conditions. Improved ignitability means more reliable combustion on initial startup and steadier throttle transitions during acceleration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e0.7 mm iridium center electrode for concentrated spark delivery\u003c\/li\u003e\n  \u003cli\u003eCopper core for fast heat dissipation and stable operating temperature\u003c\/li\u003e\n  \u003cli\u003eLaser-welded tip to maintain a consistent gap over time\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes these plugs last longer than standard spark plugs?\u003c\/h3\u003e\n\u003cp\u003eDurability comes from Denso's iridium alloy and a robust construction that resists electrode wear. The tight laser weld and corrosion-resistant materials reduce erosion, helping the plug hold its gap and performance far longer than conventional designs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePatented iridium alloy resists electrode wear\u003c\/li\u003e\n  \u003cli\u003eDual copper and glass seal creates a gas-tight bond to prevent leakage\u003c\/li\u003e\n  \u003cli\u003eManufacturing pre-fire testing ensures consistent quality out of the box\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these plugs compatible with my vehicle and easy to install?\u003c\/h3\u003e\n\u003cp\u003eThe SC16HR11 is offered in the retail equivalent 3499-4 PK set and matches the specifications used as OE on many luxury and mainstream vehicles. Installation follows standard spark plug replacement procedures; torque specs and anti-seize practices from the vehicle manufacturer should be observed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSold as a four-pack (3499-4 PK) for multi-cylinder engines\u003c\/li\u003e\n  \u003cli\u003eMatches OEM fitment on numerous GM, Toyota, Honda and Mitsubishi applications\u003c\/li\u003e\n  \u003cli\u003ePre-fired and quality-checked for reliable plug-to-plug consistency\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat build features reduce misfires and voltage loss?\u003c\/h3\u003e\n\u003cp\u003eThe plug’s five-rib insulator geometry reduces the chance of flashover along the ceramic surface, and the copper core helps maintain thermal stability. Together these design choices lower stray voltage and keep the ignition system focused on creating a clean, stable spark at the electrode gap.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUnique five-rib insulator minimizes flashover risk\u003c\/li\u003e\n  \u003cli\u003eCopper core center electrode improves thermal conductivity and stability\u003c\/li\u003e\n  \u003cli\u003eConsistent electrode gap thanks to precise welding and materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Denso SC16HR11 iridium long-life plugs are aimed at drivers and technicians who want a reliable OE-quality replacement that balances performance and longevity. They suit owners of vehicles that originally came with iridium or fine-wire plugs, aftermarket enthusiasts who prefer extended service intervals, and fleet managers who value reduced maintenance frequency. If you want durable ignition parts with proven manufacturing controls, these plugs offer a strong, cost-effective option.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should Denso SC16HR11 iridium plugs be replaced?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Iridium plugs typically last longer than conventional plugs; consult your vehicle manual, but many last much longer between services—often up to three times conventional plug intervals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use these plugs on engines that currently use platinum plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, if the plug specifications and thread\/gap match your engine. Confirm compatibility with your vehicle's recommended part numbers before switching.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48083868614814,"sku":"B083NJKY3Z","price":139.22,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-sc16hr11-pack-front.jpg?v=1785837778"},{"product_id":"denso-oxygen-sensor-234-4574-direct-fit-replacement-oem-grade-accurate-voltage-signal-for-improved-fuel-economy","title":"Denso Oxygen Sensor 234-4574 Direct-Fit Replacement — OEM-Grade, Accurate Voltage Signal for Improved Fuel Economy","description":"\u003cp\u003e\u003cstrong\u003eThe Denso 234-4574 oxygen sensor is a direct-fit replacement sensor that monitors exhaust oxygen to help your engine control unit optimize fuel-air mixture for smoother running and better fuel economy.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned and manufactured by Denso in the United States, the 234-4574 oxygen sensor is an OEM-grade component intended for vehicles that require accurate exhaust gas readings. It connects directly to the factory wiring harness and sends precise voltage signals to the engine control module (ECM) so fuel trims and ignition timing can adjust accordingly. Compact packaging and a lightweight build make it simple to ship and store, while Denso's engineering focus prioritizes durability and reliable signal output.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the Denso 234-4574 oxygen sensor affect fuel efficiency?\u003c\/h3\u003e\n\n\u003cp\u003eAn accurate oxygen sensor helps the ECM maintain the ideal air-fuel ratio by reporting real-time oxygen levels in the exhaust stream. When the sensor provides correct data, the fuel delivery is adjusted to reduce wasted fuel and incomplete combustion. This can translate to steadier mileage and fewer rich-running cycles.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eProvides precise oxygen-level voltages for the ECM to adjust fuel trims\u003c\/li\u003e\n  \u003cli\u003eDirect-fit design eliminates need for wiring changes or adapters\u003c\/li\u003e\n  \u003cli\u003eHelps reduce prolonged rich conditions that increase fuel consumption\u003c\/li\u003e\n  \u003cli\u003eLightweight unit (0.115 kg) for easy handling during replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes this Denso sensor a reliable replacement part?\u003c\/h3\u003e\n\n\u003cp\u003eThe 234-4574 is built to OEM specifications, using materials and tolerances intended to match factory performance. Denso sensors undergo quality controls to ensure consistent response time and signal stability under typical operating temperatures. The sensor's form factor and connector match common factory installations for a straightforward swap.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eManufactured in the United States to OEM-grade standards\u003c\/li\u003e\n  \u003cli\u003eEngineered for consistent voltage response and durability\u003c\/li\u003e\n  \u003cli\u003ePackage dimensions suited for safe transport and storage\u003c\/li\u003e\n  \u003cli\u003eDesigned as a direct-fit replacement for compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what should I expect?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation is typically plug-and-play when the sensor matches your vehicle's part requirement; no special programming is usually needed. Basic hand tools and an oxygen-sensor socket are all that’s required for most installs. After replacement, the ECM may need short driving cycles to relearn fuel trims and fully adapt to the new sensor readings.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDirect-fit connector aligns with factory harness — minimal modification\u003c\/li\u003e\n  \u003cli\u003eStandard service tools (sensor socket, ratchet) suffice for removal and fitment\u003c\/li\u003e\n  \u003cli\u003eAllow short driving cycles for ECM relearn and optimal performance\u003c\/li\u003e\n  \u003cli\u003eCompact package (4.6 x 15.2 x 5.6 cm) and low weight simplify handling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat specifications should I verify before ordering?\u003c\/h3\u003e\n\n\u003cp\u003eConfirm vehicle make, model, year, engine type, and the OEM part number to ensure the 234-4574 is compatible. Verify connector counts and the sensor’s thread size against your factory unit. Checking these details prevents returns and speeds installation.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMatch part number (Denso 234-4574) to vehicle application\u003c\/li\u003e\n  \u003cli\u003eConfirm connector style and thread dimensions with existing sensor\u003c\/li\u003e\n  \u003cli\u003eCheck engine control requirements (downstream vs upstream positioning)\u003c\/li\u003e\n  \u003cli\u003eUse vehicle fitment guides or VIN lookup when in doubt\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Denso 234-4574 oxygen sensor is aimed at vehicle owners, independent mechanics, and repair shops seeking a reliable, OEM-quality replacement to restore accurate exhaust sensing. It’s suitable for anyone who needs a direct-fit sensor to maintain proper engine management, improve fuel usage consistency, or replace a failing oxygen sensor without altering factory wiring or ECU settings.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Denso 234-4574 a direct-fit replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 234-4574 is designed as a direct-fit OEM-style replacement for compatible vehicle models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long before the ECU adapts to the new sensor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Most ECUs relearn fuel trims after several short driving cycles, typically within a few miles of normal driving.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48083945717918,"sku":"B00FRM88DC","price":120.12,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-234-4574-front-view.jpg?v=1785840786"},{"product_id":"denso-o2-oxygen-sensor-234-4669-for-gm-vehicles-cadillac-chevy-gmc-hummer-4-wire-14-8-harness","title":"Denso O2 Oxygen Sensor 234-4669 for GM Vehicles (Cadillac, Chevy, GMC, Hummer) — 4‑Wire 14.8\" Harness","description":"\u003cp\u003e\u003cstrong\u003eThe Denso 234-4669 is a direct-replacement narrow-band oxygen sensor engineered to restore accurate exhaust oxygen readings and match original equipment fit for select Cadillac, Chevrolet, GMC and Hummer models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned and tested to rigorous OE specifications, this Denso oxygen sensor offers a precision-built zirconia element, corrosion-resistant housing and a protective trap layer to help shield the sensing element from contaminants. It arrives with a 14.76-inch, four‑wire harness and is intended as a one-to-one replacement for many model-year applications, simplifying installation and helping the engine control module regain accurate air-fuel ratio feedback.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles will accept the 234-4669 oxygen sensor?\u003c\/h3\u003e\n\u003cp\u003eThis sensor is compatible with a broad range of General Motors vehicles across Cadillac, Chevrolet, GMC and Hummer nameplates from the early 2000s up through select later years. Compatibility covers various Escalade, Silverado, Sierra, Yukon, Avalanche, Camaro, Caprice, Corvette and H2 models—check your specific year and engine combination before ordering. The sensor replaces OEM numbers 12572705 and 12617332 in many applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCadillac Escalade, Escalade ESV, Escalade EXT (2003–2006)\u003c\/li\u003e\n  \u003cli\u003eChevrolet Silverado, Avalanche, Suburban, Camaro, Caprice, Corvette (selected years listed)\u003c\/li\u003e\n  \u003cli\u003eGMC Sierra, Yukon, Yukon XL (selected 2003–2014 years)\u003c\/li\u003e\n  \u003cli\u003eHummer H2 (2003–2006)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this Denso sensor protect the engine control system?\u003c\/h3\u003e\n\u003cp\u003eThe sensor includes Denso’s aluminum oxide trap and a PTFE filter to reduce exposure of the ceramic sensing element to silicone, lead and other contaminants. Those protections help the zirconia element maintain a quick and reliable voltage response so the vehicle’s ECU receives consistent oxygen-level data. A stable signal can improve combustion control and make diagnostics more straightforward.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAluminum oxide trap layer reduces contaminant poisoning risk\u003c\/li\u003e\n  \u003cli\u003ePTFE filter limits efficiency-robbing particulates\u003c\/li\u003e\n  \u003cli\u003eRefined zirconia element for responsive oxygen sensing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the physical and electrical features to expect?\u003c\/h3\u003e\n\u003cp\u003eThe 234-4669 is a four-wire, narrow-band O2 sensor packaged with a 14.76-inch wiring harness for ease of routing and connection. It uses a corrosion-resistant stainless steel shell for long service life and ships as a single unit sized to match original equipment. Installation generally follows standard O2 sensor replacement steps and requires proper torque and connector mating for reliable operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFour-wire design with 14.76-inch harness for direct plug-in\u003c\/li\u003e\n  \u003cli\u003eStainless steel construction to resist corrosion and wear\u003c\/li\u003e\n  \u003cli\u003eCompact package: approximately 5.75 x 2.19 x 1.88 inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this sensor simplify troubleshooting and service?\u003c\/h3\u003e\n\u003cp\u003eBecause the part is built to OE form, fit and function, it reduces variables when diagnosing exhaust, emissions or fuel-trim related trouble codes. Swapping a degraded or contaminated sensor for this Denso unit can clarify whether a fault is sensor-related or caused by other system components. After installation, monitor live oxygen sensor voltages and fuel trim values to confirm healthy operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOE-quality fit reduces installation mismatch issues\u003c\/li\u003e\n  \u003cli\u003eImproved signal response aids ECU diagnostics\u003c\/li\u003e\n  \u003cli\u003eDirect replacement for common GM OEM part numbers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Professional technicians and DIY mechanics who need a reliable, OE-grade replacement oxygen sensor for specific Cadillac, Chevrolet, GMC and Hummer vehicles. It’s suited for anyone replacing a failing O2 sensor, addressing emissions-related fault codes, or restoring proper closed-loop fuel control in compatible GM applications.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this Denso O2 sensor fit my 2005 Silverado 1500?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—234-4669 is listed for many 2003–2006 Silverado 1500 models, but confirm your engine and OEM part interchange before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many wires and what harness length does this sensor have?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It’s a four-wire narrow-band sensor supplied with a 14.76-inch wiring harness for plug-and-play installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48084027375774,"sku":"B00199FCU4","price":121.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-o2-sensor-front-view.jpg?v=1785844005"},{"product_id":"denso-iridium-power-spark-plugs-ixuh22i-4-pack-0-4mm-iridium-tip-long-life-performance","title":"Denso Iridium Power Spark Plugs IXUH22I 4-Pack — 0.4mm Iridium Tip, Long-Life Performance","description":"\u003cp\u003e\u003cstrong\u003eDenso IXUH22I Iridium Power spark plugs deliver stronger, more consistent ignitions with an ultra-fine 0.4mm iridium tip engineered for improved acceleration and long-lasting durability.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Denso Iridium Power plugs are built to raise ignitability while reducing the voltage needed to fire the plug. They combine a microscopic center electrode, a precision-shaped ground electrode, and Denso’s 360-degree laser welding to concentrate spark energy where it matters most. The design tolerates extreme heat and wear, helping maintain reliable spark performance through repeated acceleration demands.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the IXUH22I affect acceleration and throttle response?\u003c\/h3\u003e\n\u003cp\u003eThe concentrated spark from the tiny iridium center electrode creates more reliable combustion at the moment of ignition, which can translate into crisper throttle feel and improved acceleration compared with conventional plugs. This effect is most noticeable when the engine demands immediate power, such as during overtakes or hard acceleration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSmaller 0.4mm iridium tip increases spark intensity and precision\u003c\/li\u003e\n  \u003cli\u003eU-groove ground electrode helps focus the spark at the combustion point\u003c\/li\u003e\n  \u003cli\u003eLower required ignition voltage reduces misfires under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes Denso’s construction different from standard spark plugs?\u003c\/h3\u003e\n\u003cp\u003eDenso combines a very fine iridium tip with a tapered ground electrode and their patented 360-degree laser welding to secure the electrode to the insulator. That combination improves durability and ensures the electrode geometry stays stable under high heat and repeated firing cycles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePatented laser welding for stronger electrode bonds\u003c\/li\u003e\n  \u003cli\u003eTapered cut, U-groove ground electrode for optimal spark exposure\u003c\/li\u003e\n  \u003cli\u003eMaterials designed to resist temperatures above 4000°F at the spark site\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these plugs last longer or require different maintenance?\u003c\/h3\u003e\n\u003cp\u003eThe IXUH22I’s iridium center electrode provides significantly greater wear resistance than standard nickel tips, so plugs typically maintain performance for longer intervals. Routine inspection and replacement should still follow vehicle manufacturer recommendations, but many users report extended service life compared with conventional spark plugs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIridium center electrode offers superior hardness and erosion resistance\u003c\/li\u003e\n  \u003cli\u003eStable electrode geometry helps preserve spark performance over time\u003c\/li\u003e\n  \u003cli\u003eFollow OEM service intervals; no special maintenance beyond normal checks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these plugs compatible with my vehicle and ignition system?\u003c\/h3\u003e\n\u003cp\u003eThe IXUH22I model is manufactured in a specific heat range and thread size for certain engines; check fitment charts or your vehicle’s service manual to confirm compatibility. They are designed for systems that benefit from a fine-tip iridium electrode and reduced ignition voltage, including many modern gasoline engines with electronic ignition.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify thread size and reach against vehicle specifications\u003c\/li\u003e\n  \u003cli\u003eSuitable for modern electronic ignition and coil-on-plug systems where listed\u003c\/li\u003e\n  \u003cli\u003eUse the correct gap and torque values as specified by the vehicle maker\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Denso IXUH22I Iridium Power plugs are aimed at drivers who want more responsive acceleration and longer-lasting spark performance than standard plugs provide. They suit enthusiasts and daily drivers with compatible engines who prioritize consistent ignition quality, extended plug life, and reduced ignition voltage requirements. Always confirm correct fitment for your engine and adhere to manufacturer torque and gap recommendations when installing.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should Denso Iridium Power plugs be replaced?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace according to your vehicle’s maintenance schedule; many users see extended life versus standard plugs, but always follow OEM intervals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can these plugs reduce engine misfires?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Their fine iridium tip and focused electrode design improve ignitability and can reduce misfires when correctly matched to the engine.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48084110114974,"sku":"B00U13NH9C","price":110.63,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-ixuh22i-front-packaging.jpg?v=1785846591"},{"product_id":"denso-oxygen-o2-sensor-234-4622-direct-fit-4-wire-12-6in-harness-for-lexus-toyota","title":"Denso Oxygen (O2) Sensor 234-4622 — Direct-Fit 4‑Wire 12.6in Harness for Lexus\/Toyota","description":"\u003cp\u003e\u003cstrong\u003eThe Denso 234-4622 is a direct-fit narrow-band oxygen (O2) sensor with a 4-wire, 12.6-inch harness engineered to replace the factory sensor on select Lexus, Toyota and Pontiac vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement O2 sensor is built to meet original-equipment standards and is intended to restore accurate air-fuel sensing after an aging or failed factory unit. Denso designs each sensor with protective layers and a refined zirconia sensing element so the part fits like the factory component and resists common contaminants that shorten sensor life.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles does this Denso sensor fit?\u003c\/h3\u003e\n\u003cp\u003eThe 234-4622 is matched to a long list of model years across Lexus, Toyota and a Pontiac Vibe. Confirm fit by comparing the part number and connector type to the sensor you’re replacing or use your VIN to verify compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLexus: ES300 (1995–1998), ES300h (2013–2018), NX200t (2015–2017), NX300 (2018–2021), NX300h (2015–2021)\u003c\/li\u003e\n  \u003cli\u003ePontiac: Vibe (2009–2010)\u003c\/li\u003e\n  \u003cli\u003eToyota: 4Runner, Avalon, Camry, Corolla, Matrix, Paseo, RAV4, Sienna, Solara, Tercel across specific years listed in the product details\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this sensor help engine performance and efficiency?\u003c\/h3\u003e\n\u003cp\u003eBy delivering accurate oxygen-level data to the engine control unit, a healthy O2 sensor helps the vehicle maintain proper air-fuel ratios. That supports smoother idling, more consistent combustion and helps the engine management system correct fuel trims when needed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eZirconia sensing element for reliable voltage response to oxygen changes\u003c\/li\u003e\n  \u003cli\u003ePTFE filter to block efficiency-robbing contaminants\u003c\/li\u003e\n  \u003cli\u003eAluminum-oxide trap layer to reduce poisoning from silicone and lead\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the build qualities and technical details I should know?\u003c\/h3\u003e\n\u003cp\u003eDenso manufactures this sensor to match OE fit, form and function so installation is typically straightforward. The housing and wiring are constructed to resist corrosion and heat common around exhaust systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePart number: 234-4622, four-wire design with 12.60-inch harness\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant stainless-steel construction and PTFE protection\u003c\/li\u003e\n  \u003cli\u003ePackage includes one sensor; item dimensions roughly 5.75 x 2.19 x 1.88 inches, weight about 0.25 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this sensor install like the original and what parts interchange are supported?\u003c\/h3\u003e\n\u003cp\u003eDenso engineers replacement sensors to be first-time-fit where listed, reducing modification or adaptation needs. The product lists many OEM interchange numbers — compare those or your vehicle’s existing part number to ensure a match before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for direct replacement with factory-style connector and wiring length\u003c\/li\u003e\n  \u003cli\u003eMultiple parts-interchange numbers are provided for cross-reference\u003c\/li\u003e\n  \u003cli\u003eIntended for applications that require a narrow-band O2 sensor\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Denso 234-4622 is aimed at DIY mechanics, independent repair shops and fleet technicians needing a reliable, OE-quality narrow-band oxygen sensor for compatible Lexus, Toyota and Pontiac models. Choose this sensor when you want a direct-fit replacement with contamination protection and corrosion resistance to help restore proper engine air-fuel sensing.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Denso 234-4622 a direct replacement for my original O2 sensor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it’s manufactured to OE standards for direct-fit on the listed Lexus, Toyota and Pontiac models; confirm by matching part numbers or your VIN.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this sensor include protections against contaminants?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it uses a PTFE filter and an aluminum-oxide trap layer to help reduce damage from silicone and lead contamination.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48084118667422,"sku":"B000C5SGA4","price":128.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-234-4622-front-view.jpg?v=1785846768"},{"product_id":"denso-k20hr-u11-spark-plugs-6-pack-standard-u-groove-oem-fit-reliable-ignition","title":"Denso K20HR-U11 Spark Plugs 6-Pack — Standard U-Groove OEM Fit, Reliable Ignition","description":"\u003cp\u003e\u003cstrong\u003eThese are genuine Denso K20HR-U11 (part #3381) standard U-groove spark plugs sold as a 6-pack for direct vehicle replacement.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned and manufactured by Denso, the K20HR-U11 spark plug (part number 3381) is a standard U-groove design intended for reliable ignition performance in compatible engines. This listing supplies six authentic Denso spark plugs in original packaging, offering a straightforward way to replace worn plugs and maintain ignition consistency. The plugs are produced to factory tolerances and include the necessary hardware for installation where applicable.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles are compatible with the Denso K20HR-U11 spark plug?\u003c\/h3\u003e\n\u003cp\u003eCompatibility depends on the engine model and factory specifications; Denso parts are used by many Japanese and international manufacturers. Always verify fitment using the vehicle's service manual or an online confirm-fit tool before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCross-reference part number 3381 or K20HR-U11 with your vehicle's plug chart.\u003c\/li\u003e\n  \u003cli\u003eUse VIN-based fitment lookup or retailer confirm-fit features.\u003c\/li\u003e\n  \u003cli\u003eCheck electrode gap and reach to match OEM specs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these U-groove plugs affect everyday driving and starting?\u003c\/h3\u003e\n\u003cp\u003eThe U-groove tip design focuses the spark and promotes consistent ignition across normal driving conditions, helping steady starts and mid-range throttle response. They are a standard-performance option rather than a high-performance or iridium model.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eU-groove tip concentrates spark for reliable combustion under typical loads.\u003c\/li\u003e\n  \u003cli\u003eStandard construction keeps cost and replacement frequency in line with OEM recommendations.\u003c\/li\u003e\n  \u003cli\u003eSuitable for engines designed for conventional nickel\/alloy plugs rather than specialty electrodes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know about installation and maintenance of these plugs?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic engine service: remove old plugs, check and set the gap if necessary, and torque to the manufacturer's specification. Use anti-seize and proper torque to avoid damage to the plug or cylinder head.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify and, if required, adjust electrode gap to OEM value before fitting.\u003c\/li\u003e\n  \u003cli\u003eTighten using a torque wrench to the vehicle maker's specified torque.\u003c\/li\u003e\n  \u003cli\u003eReplace ignition boots or coils as needed to ensure good electrical connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat does the 6-pack include and why buy a set?\u003c\/h3\u003e\n\u003cp\u003eThis product supplies six Denso-branded K20HR-U11 spark plugs, packaged as genuine replacement parts. Buying a complete pack is practical for multi-cylinder engines and ensures uniform wear and performance across all cylinders.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSix genuine Denso K20HR-U11 (part #3381) spark plugs in original packaging.\u003c\/li\u003e\n  \u003cli\u003eIncludes standard installation hardware where applicable.\u003c\/li\u003e\n  \u003cli\u003eCost-effective and convenient for 4-, 6-, or 8-cylinder engine maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This 6-pack of Denso K20HR-U11 standard U-groove spark plugs is aimed at DIY mechanics, professional technicians, and vehicle owners who need authentic OEM-grade replacement plugs for compatible engines. It fits buyers who prioritize straightforward, reliable ignition parts at a reasonable price and who will confirm fitment with their vehicle specifications before installation.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these Denso plugs genuine OEM parts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — this listing is for genuine Denso K20HR-U11 spark plugs (part #3381) sold in original packaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I confirm these plugs fit my car?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check your vehicle's service manual, use a VIN-based fitment lookup, or match part #3381\/K20HR-U11 with OEM plug specifications.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48084131250334,"sku":"B00S3GIGTU","price":108.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-k20hr-u11-front-packaging.jpg?v=1785847055"},{"product_id":"denso-sk20hr11-iridium-platinum-spark-plugs-4-pack-3421-oem-fit-long-life-ignition","title":"Denso SK20HR11 Iridium Platinum Spark Plugs 4-Pack (3421) — OEM Fit, Long-Life Ignition","description":"\u003cp\u003e\u003cstrong\u003eDENSO SK20HR11 (3421) iridium platinum spark plugs — genuine 4-pack designed for reliable ignition and long service life in compatible vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese are original Denso spark plugs (part number 3421) sold as a 4-piece set. The SK20HR11 construction combines an iridium center electrode with a platinum ground electrode to provide a fine spark gap, improved wear resistance, and consistent firing across a variety of gasoline engines. This listing includes free shipping within the USA and territories, and each order contains four spark plugs—ready to install as a full-set replacement.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes the SK20HR11 different from standard spark plugs?\u003c\/h3\u003e\n\n\u003cp\u003eThe SK20HR11 uses premium metals and a refined tip geometry that help maintain a stable spark over time. Iridium and platinum electrodes resist erosion better than conventional materials, preserving gap integrity and ignition consistency under normal driving conditions.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eIridium center electrode for a smaller, more focused spark area\u003c\/li\u003e\n  \u003cli\u003ePlatinum ground electrode to slow wear at the firing edge\u003c\/li\u003e\n  \u003cli\u003eManufactured to Denso OEM tolerances for fit and function\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these plugs affect starting and throttle response?\u003c\/h3\u003e\n\n\u003cp\u003eUp-to-spec spark plugs can improve combustion stability, which often translates to more reliable cold starts and crisper throttle transitions. While behavior depends on the vehicle and condition of other systems, fresh plugs remove a common source of misfires and uneven idling.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCleaner spark reduces misfires and rough idle potential\u003c\/li\u003e\n  \u003cli\u003eConsistent ignition can improve throttle smoothness\u003c\/li\u003e\n  \u003cli\u003eFull 4-plug set restores uniform firing across cylinders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and situations are these Denso plugs intended for?\u003c\/h3\u003e\n\n\u003cp\u003eThe SK20HR11 (3421) is designed to match applications specified by Denso and many OEMs where this engine heat range and thread size are required. They're best used as a like-for-like replacement or when upgrading worn standard plugs to iridium\/platinum construction.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDirect replacement where Denso 3421\/SK20HR11 is listed\u003c\/li\u003e\n  \u003cli\u003eRecommended when replacing a full set of engine plugs\u003c\/li\u003e\n  \u003cli\u003eAppropriate for everyday driving and highway use when matched to vehicle specs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and what should I check before fitting?\u003c\/h3\u003e\n\n\u003cp\u003eThis product ships as a sealed pack of four genuine Denso spark plugs labeled with part number 3421. Before installation, verify thread size, reach, and heat range against your vehicle’s service manual or parts guide to ensure compatibility.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eIncludes four Denso SK20HR11 (3421) spark plugs per order\u003c\/li\u003e\n  \u003cli\u003eInspect thread and electrode condition; check OEM gap if needed\u003c\/li\u003e\n  \u003cli\u003eUse correct torque and anti-seize\/coil-specified procedures during installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This 4-pack is intended for vehicle owners, independent mechanics, and service shops seeking genuine Denso replacement plugs in the SK20HR11 (3421) specification. Choose this set if your vehicle’s maintenance schedule calls for these part numbers or if you want an OEM-grade iridium\/platinum option for improved durability and consistent ignition. Free shipping within the USA and territories makes it convenient for anyone replacing all four plugs at once.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these Denso plugs sold as a full set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — each order contains four genuine Denso SK20HR11 (3421) spark plugs, packaged for a full-set replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these plugs include free shipping in the USA?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — this item ships free to all U.S. states and territories.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48084140654750,"sku":"B00PD6EWPU","price":93.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-3421-front-packaging_762a4f7c-000d-49f3-ac04-2cc19ceebfae.jpg?v=1785847249"},{"product_id":"denso-k16tr11-3194-spark-plugs-pack-of-6-oem-fit-standard-reach-reliable-ignition","title":"Denso K16TR11 (3194) Spark Plugs Pack of 6 — OEM-fit Standard Reach, Reliable Ignition","description":"\u003cp\u003e\u003cstrong\u003eDenso K16TR11 (3194) is a genuine DENSO standard spark plug sold as a 6-pack designed to deliver reliable ignition performance as a direct replacement for compatible gasoline engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis six-piece set contains authentic DENSO Standard 3194 spark plugs (model K16TR11) packaged with original hardware. These spark plugs are manufactured to DENSO specifications for consistent gap, electrode profile, and materials, making them a straightforward swap for vehicles that list K16TR11 or part number 3194 as the recommended replacement. They’re intended for drivers and mechanics seeking OEM-quality, budget-friendly ignition components for routine maintenance or tune-ups.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these spark plugs affect daily drivability?\u003c\/h3\u003e\n\u003cp\u003eWhen fitted correctly, the Denso K16TR11 plugs support steady combustion and consistent starting behavior without altering engine tuning. They’re engineered to match factory geometry so ignition timing and fuel burn remain as intended by the vehicle manufacturer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaintains stock electrode spacing and heat range for predictable starts\u003c\/li\u003e\n  \u003cli\u003eReduces misfires compared to worn plugs by restoring proper spark\u003c\/li\u003e\n  \u003cli\u003eDesigned for standard service intervals in everyday driving conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these spark plugs the right replacement for my car?\u003c\/h3\u003e\n\u003cp\u003eThe easiest way to confirm fitment is to check your vehicle’s owner manual or parts guide for K16TR11 or DENSO part 3194. Many applications accept this standard plug type, but always verify thread size, seat type, and reach to avoid damage or incorrect sealing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMatch part number K16TR11 or DENSO 3194 with your vehicle parts list\u003c\/li\u003e\n  \u003cli\u003eVerify thread diameter, hex size, and reach before installation\u003c\/li\u003e\n  \u003cli\u003eUse manufacturer tools or a parts fitment lookup for certainty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the package and what should I expect during installation?\u003c\/h3\u003e\n\u003cp\u003eThis product ships as a pack of six genuine DENSO Standard 3194 spark plugs in original packaging, including any manufacturer-supplied hardware required for safe transport. Installation follows normal spark plug replacement steps: remove old plugs, check and set the gap if needed, and torque new plugs to factory specifications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSix genuine DENSO K16TR11 (3194) spark plugs in original packaging\u003c\/li\u003e\n  \u003cli\u003eManufacturer-supplied protective hardware to prevent damage in transit\u003c\/li\u003e\n  \u003cli\u003eSimple hand tools and torque wrench recommended for correct installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will these spark plugs last and what maintenance do they need?\u003c\/h3\u003e\n\u003cp\u003eService life depends on driving conditions and engine type; standard plugs like the K16TR11 often meet typical maintenance intervals specified by the vehicle maker. Inspect plugs during routine tune-ups for electrode wear, carbon deposits, and proper gap to decide replacement frequency.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for standard interval replacements; follow vehicle manufacturer guidance\u003c\/li\u003e\n  \u003cli\u003eCheck for fouling or wear during scheduled maintenance\u003c\/li\u003e\n  \u003cli\u003eReplace as a matched set to preserve even firing and performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Denso K16TR11 (3194) 6-pack is for owners, DIY mechanics, and professional technicians who need reliable OEM-quality standard spark plugs as a direct replacement. Choose this set if you require authentic DENSO parts for routine servicing, prefer factory-matched plug geometry, or are performing a full-bank replacement on vehicles that specify this part number.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these DENSO K16TR11 spark plugs genuine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — this listing is for authentic DENSO Standard K16TR11 (3194) spark plugs sold in original manufacturer packaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these plugs fit my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check your owner's manual or parts lookup for K16TR11 or DENSO part 3194 to confirm compatibility before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48084150485150,"sku":"B00NBYN1OE","price":98.44,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-k16tr11-front-packaging.jpg?v=1785847453"},{"product_id":"denso-iridium-long-life-spark-plugs-sc20hr11-3444-4-pack-iridium-tip-direct-fit-replacement","title":"Denso Iridium Long Life Spark Plugs SC20HR11 (3444) 4-Pack — Iridium Tip, Direct-Fit Replacement","description":"\u003cstrong\u003eDENSO SC20HR11 Iridium Long Life spark plugs are a genuine four-piece replacement set designed to restore reliable ignition and long-lasting performance.\u003c\/strong\u003e\n\n\u003cp\u003eThese DENSO 3444 (SC20HR11) spark plugs arrive as a 4-pack of original equipment replacement parts, built with iridium-tipped electrodes for improved durability and stable combustion. Supplied in manufacturer packaging with the correct hardware, they’re intended as a direct-fit replacement for compatible vehicles — verify compatibility with your vehicle’s fitment tool before installation.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these iridium spark plugs improve engine reliability?\u003c\/h3\u003e\n\u003cp\u003eThe SC20HR11 uses a fine iridium center electrode that resists wear better than conventional materials, helping sustain a sharp spark over many miles. Stable ignition reduces misfires and supports smoother idle and throttle response without changing your engine’s setup.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIridium-tipped center electrode for extended life\u003c\/li\u003e\n  \u003cli\u003ePrecise electrode geometry for consistent spark delivery\u003c\/li\u003e\n  \u003cli\u003eDurability that helps maintain performance between service intervals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the package and is this a direct replacement?\u003c\/h3\u003e\n\u003cp\u003eThis listing includes four genuine DENSO spark plugs (part number 3444 \/ SC20HR11) in original packaging, plus any supplied hardware. They are designed as direct replacements; still check make, model, year, and engine code to confirm fitment for your specific vehicle.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFour DENSO SC20HR11 spark plugs in manufacturer packaging\u003c\/li\u003e\n  \u003cli\u003eOriginal hardware included where applicable\u003c\/li\u003e\n  \u003cli\u003eDirect replacement part — verify fit with vehicle compatibility tool\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and maintain these spark plugs?\u003c\/h3\u003e\n\u003cp\u003eInstall DENSO spark plugs using the correct torque settings from your vehicle manufacturer and apply anti-seize only if recommended for your engine. Inspect ignition components periodically and replace plugs according to your vehicle’s maintenance schedule or sooner if performance issues arise.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse manufacturer-specified torque to avoid overtightening\u003c\/li\u003e\n  \u003cli\u003eReplace per vehicle maintenance intervals or when signs of wear appear\u003c\/li\u003e\n  \u003cli\u003eFollow OEM guidance on anti-seize and gap settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these spark plugs suitable for performance or daily driving?\u003c\/h3\u003e\n\u003cp\u003eDenso iridium plugs balance longevity and consistent spark quality, making them suitable for everyday commuting as well as spirited driving where reliable ignition matters. They do not require engine modification and are intended to match original equipment specifications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIdeal for daily-driven vehicles and spirited use\u003c\/li\u003e\n  \u003cli\u003eNo vehicle modification required — direct OE-style fit\u003c\/li\u003e\n  \u003cli\u003eHelps maintain factory performance characteristics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Mechanics, DIY car owners, and fleet managers seeking a genuine OEM-quality replacement plug will find the DENSO SC20HR11 (3444) 4-pack a practical choice. If you need long-lasting ignition components that match factory specifications and prefer genuine DENSO parts, this set provides a straightforward, compatible solution — just confirm vehicle fitment before purchase.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the DENSO SC20HR11 a direct replacement for my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This is a direct-fit DENSO part in many applications; confirm exact fitment using your vehicle make, model, year, and engine code before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long do iridium spark plugs like SC20HR11 typically last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Iridium plugs generally last significantly longer than copper plugs; follow your vehicle’s maintenance schedule and inspect for wear periodically.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48084151632030,"sku":"B00MYO7HE2","price":113.12,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-iridium-spark-plug-front-packaging.jpg?v=1785847479"},{"product_id":"denso-iridium-long-life-spark-plugs-sk16hr11-4-pack-oem-fit-improved-durability","title":"Denso Iridium Long Life Spark Plugs SK16HR11 — 4-Pack, OEM Fit \u0026 Improved Durability","description":"\u003cp\u003e\u003cstrong\u003eDENSO 3417 Iridium Long Life Spark Plugs (SK16HR11) are a genuine 4-pack of high-performance replacement plugs engineered for extended service life and consistent ignition.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese authentic DENSO spark plugs come as a set of four and use an iridium-tipped center electrode for improved durability and reliable spark delivery under a wide range of driving conditions. The SK16HR11 specification is built to match factory fitment and heat range requirements where DENSO recommends iridium parts for longevity and stable combustion. Free shipping within the USA and territories is included with this item.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes DENSO iridium plugs different from standard plugs?\u003c\/h3\u003e\n\u003cp\u003eIridium plugs use a very hard, high-melting-point metal on the center electrode, which lets manufacturers make a much finer tip that delivers a more concentrated spark. That finer electrode reduces voltage demand and resists wear longer than conventional nickel electrodes, so ignition performance holds up over many miles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFine iridium center electrode for precise spark\u003c\/li\u003e\n  \u003cli\u003eImproved electrode life versus nickel designs\u003c\/li\u003e\n  \u003cli\u003eLower required firing voltage for consistent ignition\u003c\/li\u003e\n  \u003cli\u003eDesigned to meet OEM heat range specifications (SK16HR11)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will these plugs affect vehicle performance and maintenance?\u003c\/h3\u003e\n\u003cp\u003eWhen replaced on schedule, iridium plugs help maintain steady throttle response, smooth idle and reliable starting by preserving spark quality. Because the iridium tip resists erosion, service intervals can often be extended compared with standard plugs, lowering routine maintenance frequency.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConsistent ignition for smoother running and stable idle\u003c\/li\u003e\n  \u003cli\u003ePotentially longer replacement intervals than nickel plugs\u003c\/li\u003e\n  \u003cli\u003eHelps reduce misfires and rough startups when properly gapped\u003c\/li\u003e\n  \u003cli\u003eExact fitment minimizes installation issues and ensures correct heat dissipation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these DENSO 3417 plugs compatible with my vehicle?\u003c\/h3\u003e\n\u003cp\u003eThe SK16HR11 specification identifies the thread size, reach, and heat range that determine compatibility; they are intended for engines that list SK16HR11 or DENSO 3417 as the proper replacement. Check your vehicle’s owner manual, existing plug markings, or an electronic parts finder to confirm correct fitment before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSKU: DENSO 3417 – SK16HR11 specification\u003c\/li\u003e\n  \u003cli\u003eSold as a set of four plugs (1 order = 4 pieces)\u003c\/li\u003e\n  \u003cli\u003eMatch thread, reach, and heat range to OEM requirements\u003c\/li\u003e\n  \u003cli\u003eContact a parts specialist if unsure about compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat do I get with this purchase and are there shipping details?\u003c\/h3\u003e\n\u003cp\u003eThis listing includes four genuine DENSO 3417 iridium spark plugs packaged for retail fitment and ready for installation. The seller offers free shipping to addresses within the United States and its territories; check the product page for estimated delivery windows and return policies.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage contains 4 DENSO 3417 (SK16HR11) iridium spark plugs\u003c\/li\u003e\n  \u003cli\u003eFree shipping across USA and territories for this item\u003c\/li\u003e\n  \u003cli\u003eNew, boxed components intended as direct replacements\u003c\/li\u003e\n  \u003cli\u003eKeep original packaging and receipts for warranty or returns\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Drivers, mechanics, and performance-minded vehicle owners who need a reliable OEM-grade replacement plug that prioritizes longevity and consistent spark behavior. Choose this DENSO 4-pack if your vehicle lists SK16HR11\/3417 as the correct part number, if you want longer service life than standard plugs, or if you prefer genuine DENSO components for OEM compatibility and peace of mind.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many spark plugs are included in one order?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: One order contains four genuine DENSO 3417 (SK16HR11) iridium spark plugs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is shipping free for this item?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, this listing includes free shipping to addresses within the USA and its territories.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48084158906526,"sku":"B00LVJ0VM6","price":128.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-3417-front-packaging_dae587e8-f4c3-4cd7-8ec0-20d70be2e0e3.jpg?v=1785847716"},{"product_id":"denso-direct-ignition-coil-673-1303-toyota-lexus-v8-direct-fit-compact-integrated-drive","title":"Denso Direct Ignition Coil 673-1303 — Toyota\/Lexus V8 Direct-Fit, Compact Integrated Drive","description":"\u003cp\u003e\u003cstrong\u003eThe Denso Direct Ignition Coil 673-1303 is a direct-fit replacement coil pack engineered to restore reliable spark delivery for select Toyota and Lexus V8 engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis coil is built around Denso’s compact integrated driving circuit and diagonal-wound construction to reduce size and weight while maintaining consistent performance. It replaces worn or failing coils on compatible 4Runner, Land Cruiser, Sequoia, Tundra and Lexus GS430, GX470, LS430, LX470, and SC430 models, offering an OEM-style fit and materials designed for long-term service in demanding engine bays.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this coil differ from older or generic ignition coils?\u003c\/h3\u003e\n\u003cp\u003eDenso’s design uses a small integrated driving circuit placed in the coil top and diagonal windings that remove the need for sectioned bobbins. Those engineering choices shrink the coil’s footprint and improve thermal resilience, which helps the coil withstand heat and vibration common under the hood. The result is an ignition coil that fits like the original and reduces the chance of misfires caused by degraded internal components.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCompact integrated drive circuit located in the coil cap for simplified installation.\u003c\/li\u003e\n  \u003cli\u003eDiagonal winding technique reduces size and internal joins, lowering failure points.\u003c\/li\u003e\n  \u003cli\u003eBuilt with high-quality materials for improved durability in hot engine compartments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this part fit my Toyota or Lexus model?\u003c\/h3\u003e\n\u003cp\u003eThe 673-1303 coil is vehicle-specific and designed to replace factory coils on select years and engine configurations of Toyota and Lexus V8 models. Always check vehicle compatibility using your VIN or the part number to confirm fitment before purchasing. If you have a qualifying 4Runner, Land Cruiser, Sequoia, Tundra or the listed Lexus models, it’s often a direct plug-and-play swap.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDirect-fit for specified Toyota and Lexus V8 vehicles—verify with VIN or parts guide.\u003c\/li\u003e\n  \u003cli\u003eVehicle-specific design matches OEM mounting, electrical connectors, and length.\u003c\/li\u003e\n  \u003cli\u003eIdeal for replacing a single failed coil or updating all coils to prevent future issues.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat improvements can I expect after installing this Denso coil?\u003c\/h3\u003e\n\u003cp\u003eReplacing a worn coil with this Denso unit typically restores consistent spark delivery and reduces engine misfires, rough idling, or uneven acceleration that a failing coil can cause. While results depend on the overall condition of the ignition and fuel systems, a fresh coil helps the engine operate closer to factory behavior and can prevent catalytic converter stress from unburned fuel.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMore stable ignition timing and reduced misfire codes when installed correctly.\u003c\/li\u003e\n  \u003cli\u003eSmoother idle and more consistent power delivery across cylinders.\u003c\/li\u003e\n  \u003cli\u003eRobust construction intended to minimize premature electrical or thermal failure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow simple is the installation and what should I prepare?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic engine-bay work: remove the electrical connector and mounting fastener, swap the coil, and reassemble. Use the correct torque for mounting hardware and inspect the spark plug well and boots for oil or debris before installing the new coil. If replacing multiple coils, consider doing one at a time and labeling connectors to avoid mix-ups.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eStandard hand tools required; no special programming or calibration needed.\u003c\/li\u003e\n  \u003cli\u003eInspect spark plugs and ignition boots; replace if damaged to protect the new coil.\u003c\/li\u003e\n  \u003cli\u003eTorque mounting bolts to manufacturer specs and ensure secure electrical connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Technicians, DIY mechanics, and owners of compatible Toyota and Lexus vehicles who need a reliable, OEM-style replacement ignition coil. This part suits those wanting a compact, well-engineered coil that mirrors factory fitment—especially when restoring engine smoothness or addressing ignition-related trouble codes. Confirm compatibility with your vehicle’s year and engine before purchase.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this Denso coil a direct replacement for OEM coils?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, 673-1303 is designed as a direct-fit replacement for specified Toyota and Lexus models; confirm fit with your VIN or parts list.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need special tools or programming to install it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No programming required; basic hand tools suffice. Ensure connectors are clean and bolts are torqued to spec.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48084166443166,"sku":"B002Y37M0W","price":103.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-coil-front-view_35845e5b-8cdf-4f5d-9526-a5c542fdb90b.jpg?v=1785848058"},{"product_id":"denso-engine-air-filter-12-5-x-7-6-x-1-5-panel-replacement-oem-style-fit","title":"Denso Engine Air Filter 12.5\" x 7.6\" x 1.5\" — Panel Replacement, OEM-Style Fit","description":"\u003cp\u003e\u003cstrong\u003eThe Denso 143-3003 is a replacement engine air filter sized 12.5” x 7.6” x 1.5” designed to capture airborne particles and fit OEM-compatible housings.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis Denso air filter offers a compact, vehicle-ready media element engineered for straightforward replacement in compatible intake systems. With exact external dimensions and a low package weight, it’s intended for mechanics, DIYers, and parts resellers who need a reliable, drop-in replacement. The unit’s compact packaging—measuring roughly 19.8 cm long, 4.8 cm high, and 32.8 cm wide—makes storage and shipping efficient while the light 0.204 kg package weight keeps handling simple.\u003c\/p\u003e\n\n\u003ch3\u003eWhat are the exact dimensions and packaging details?\u003c\/h3\u003e\n\u003cp\u003eThe filter measures 12.5 inches by 7.6 inches by 1.5 inches overall, suitable for housings that accept that rectangular profile. Packaging dimensions are listed for logistics and storage planning.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProduct size: 12.5\" x 7.6\" x 1.5\" (length x width x height)\u003c\/li\u003e\n  \u003cli\u003ePackage length: 19.812 cm — useful for shelving and shipping\u003c\/li\u003e\n  \u003cli\u003ePackage height: 4.826 cm — low-profile for compact storage\u003c\/li\u003e\n  \u003cli\u003ePackage width: 32.766 cm — fits standard parts boxes\u003c\/li\u003e\n  \u003cli\u003ePackage weight: 0.204 kg — lightweight for handling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install the Denso 143-3003 in my vehicle?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows the same basic steps as most rectangular panel air filters: remove the intake cover, take out the old filter, seat the new Denso element so it seals in the housing, and replace the cover. No special tools are required for most applications, but consult your vehicle manual for any model-specific notes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOpen airbox or intake cover following vehicle instructions\u003c\/li\u003e\n  \u003cli\u003eRemove old filter and clean the housing of debris\u003c\/li\u003e\n  \u003cli\u003eInsert Denso 143-3003 with the media facing the incoming airflow\u003c\/li\u003e\n  \u003cli\u003eEnsure a snug fit and reattach the cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect in terms of fit and compatibility?\u003c\/h3\u003e\n\u003cp\u003eThe 143-3003 is produced to fit housings designed for that rectangular footprint; compatibility depends on the original equipment specifications. Verify measurements against your existing filter or parts list to confirm fit before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned as an OEM-style replacement element\u003c\/li\u003e\n  \u003cli\u003eMeasure your current filter to confirm 12.5\" x 7.6\" x 1.5\" match\u003c\/li\u003e\n  \u003cli\u003eWorks in systems that accept this panel-style configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen should this air filter be replaced or inspected?\u003c\/h3\u003e\n\u003cp\u003eReplace or inspect according to vehicle manufacturer guidance or sooner if you drive in dusty conditions. Regular checks at oil changes or service intervals help maintain intake airflow and protect downstream components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect during routine maintenance or at manufacturer-recommended intervals\u003c\/li\u003e\n  \u003cli\u003eReplace sooner if driving in heavy dust, construction zones, or off-road\u003c\/li\u003e\n  \u003cli\u003eLook for visible debris, tears, or compressed media as replacement cues\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis Denso 143-3003 air filter is aimed at vehicle owners, independent mechanics, and parts distributors who need an accurate, easy-to-install replacement element. It suits anyone replacing a worn or clogged panel filter with one that matches OEM dimensions and wants straightforward logistics—compact packaging, light weight, and a direct-fit form factor. Always confirm compatibility with your vehicle’s parts specifications before ordering.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the Denso 143-3003 fit my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check your existing filter dimensions or parts catalog; the Denso 143-3003 measures 12.5\" x 7.6\" x 1.5\" and fits housings built for that size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is special tooling required to install this filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special tools are typically needed—remove the airbox cover, swap the filter, seat the new element, and resecure the cover.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48084335198366,"sku":"B0153AGNNY","price":53.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-143-3003-front-packaging.jpg?v=1785850479"},{"product_id":"denso-oxygen-sensor-234-4012-4-wire-narrow-band-15-35-inch-harness-oe-grade-fit","title":"Denso Oxygen Sensor 234-4012 — 4-Wire Narrow-Band, 15.35-inch Harness, OE-Grade Fit","description":"\u003cp\u003e\u003cstrong\u003eThe Denso 234-4012 is a direct-fit, narrow-band 4-wire oxygen (O2) sensor engineered to match original equipment performance for compatible late-1990s and early-2000s vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your vehicle is listed in the application range and you need a reliable replacement for a factory-style upstream or downstream O2 sensor, this Denso unit offers OE-grade materials, a 15.35-inch harness, and design protections that help keep the sensor responsive under real-world operating conditions. Denso manufactures and tests this sensor to strict OE tolerances, using a refined zirconia sensing element and an aluminum oxide trap layer to shield the ceramic from silicone and lead contamination. The result is a sensor built for consistent voltage response, improved durability, and a first-time fit on the specified makes and model years.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles does the 234-4012 fit?\u003c\/h3\u003e\n\u003cp\u003eThis sensor is specified for many American and import models produced in the mid-1990s through early 2000s. Always verify fitment against year, make, model, and engine before ordering to ensure compatibility with your application.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAcura, Buick, Cadillac, Chevrolet, Daewoo, GMC, Honda, Isuzu, Oldsmobile, Pontiac coverage.\u003c\/li\u003e\n  \u003cli\u003eCovers popular models including Corvette, Silverado, Tahoe, Blazer, S10, Yukon, Rodeo, and more.\u003c\/li\u003e\n  \u003cli\u003eExact part interchange numbers listed for cross-referencing with dealer and aftermarket catalogs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is this Denso sensor built to last?\u003c\/h3\u003e\n\u003cp\u003eDenso uses corrosion-resistant stainless steel for the housing and a PTFE filter to reduce contamination that can degrade sensing speed. The ceramic zirconia element is refined for faster response, while Denso’s aluminum oxide trap layer defends against silicone and lead exposure that shortens service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStainless steel housing resists rust and road corrosion.\u003c\/li\u003e\n  \u003cli\u003ePTFE filter limits efficiency-robbing contaminants from entering the element.\u003c\/li\u003e\n  \u003cli\u003eAluminum oxide trap protects the ceramic from poisoning by silicone and lead.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat wiring and installation details should I know?\u003c\/h3\u003e\n\u003cp\u003eThe 234-4012 ships with a 4-wire harness measuring 15.35 inches, matching many factory-length installations and providing the necessary heater and signal connections. It’s designed as a direct physical and electrical replacement, so professional installation is straightforward for anyone familiar with O2 sensor replacement procedures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes 4-wire connector for heater circuit and signal\/ground paths.\u003c\/li\u003e\n  \u003cli\u003e15.35-inch harness length mirrors common factory routing and plug locations.\u003c\/li\u003e\n  \u003cli\u003eFirst-time fit intended to simplify swap-in replacement without modification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this sensor improve performance or fuel economy?\u003c\/h3\u003e\n\u003cp\u003eReplacing a worn or failing oxygen sensor can restore accurate air\/fuel feedback to the engine control unit, helping the vehicle return to correct fuel trims and emissions behavior. While this is not a guaranteed performance cure, using an OE-quality sensor like Denso’s supports consistent sensor response that the vehicle’s control systems depend on.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores accurate feedback to the engine control system when the original sensor is degraded.\u003c\/li\u003e\n  \u003cli\u003eHelps maintain designed air\/fuel correction by delivering reliable voltage signals.\u003c\/li\u003e\n  \u003cli\u003eOE-quality construction reduces the likelihood of premature failure or erratic readings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Denso 234-4012 is aimed at technicians, restoration enthusiasts, and owners of compatible Acura, Buick, Cadillac, Chevrolet, Daewoo, GMC, Honda, Isuzu, Oldsmobile, and Pontiac vehicles who want an exact-fit, OE-grade narrow-band O2 sensor. Choose this part if you need a direct replacement with factory-style harness length, durable stainless-steel construction, and contamination protection to help the sensor maintain reliable operation over time.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Denso 234-4012 a direct OEM replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 234-4012 is manufactured to OE specifications and designed for first-time fit on the listed vehicles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What connector and wire length does this sensor use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It uses a 4-wire connector with a 15.35-inch wiring harness to match factory routing and heater\/signal circuits.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48086033334430,"sku":"B000C5UFJE","price":76.33,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-234-4012-front-packaging.jpg?v=1785882402"},{"product_id":"denso-engine-air-filter-143-3025-direct-fit-replacement-pleated-media-for-balanced-airflow","title":"Denso Engine Air Filter 143-3025 — Direct-Fit Replacement, Pleated Media for Balanced Airflow","description":"\u003cstrong\u003eDenso Air Filter 143-3025 is a replacement engine air filter engineered to trap airborne particles while maintaining steady airflow for combustion systems.\u003c\/strong\u003e\n\n\u003cp\u003eThis Denso unit is a direct-fit aftermarket air filter designed to meet original-equipment dimensions and filtration needs. Manufactured in Canada, the 143-3025 balances particle capture and airflow to help protect engine components from dust, pollen, and road debris. The filter ships in a compact package (2.5\" H x 12.8\" L x 10.199\" W) and weighs about 0.8 pounds, making installation and handling straightforward.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does the Denso 143-3025 filter do for my engine?\u003c\/h3\u003e\n\u003cp\u003eThe Denso 143-3025 prevents contaminants from entering the intake while allowing the airflow required for efficient operation. It uses pleated media to increase surface area, so it captures more particulates without excessively restricting air. That helps maintain consistent performance between service intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePleated filtration media for larger dirt-holding capacity\u003c\/li\u003e\n  \u003cli\u003eEngineered for balanced airflow and particle capture\u003c\/li\u003e\n  \u003cli\u003eHelps protect mass airflow sensors and intake components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to install the Denso air filter?\u003c\/h3\u003e\n\u003cp\u003eInstallation is typically straightforward because the 143-3025 is made to match OE size and shape. In most vehicles, the filter sits in a removable airbox and secures without special tools. Follow your vehicle's service guide for correct orientation and sealing to ensure optimum performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit dimensions to align with OEM airbox openings\u003c\/li\u003e\n  \u003cli\u003eNo modifications or specialized tools required for most installations\u003c\/li\u003e\n  \u003cli\u003eCompact package simplifies handling during replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace the Denso 143-3025?\u003c\/h3\u003e\n\u003cp\u003eReplacement frequency depends on driving conditions: dusty, off-road, or heavy-traffic environments require more frequent changes than light, highway driving. Check the filter visually during regular service intervals and replace it when clogged, torn, or noticeably dirty. Always consult your vehicle manufacturer’s maintenance schedule for recommended service intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect during routine oil changes or scheduled maintenance\u003c\/li\u003e\n  \u003cli\u003eReplace sooner in dusty or polluted environments\u003c\/li\u003e\n  \u003cli\u003eDiscard if media is damaged or permanently compressed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the dimensions and origin of this Denso air filter?\u003c\/h3\u003e\n\u003cp\u003eThe product ships in a compact package measuring approximately 2.5 inches high, 12.8 inches long, and 10.199 inches wide, with a package weight of about 0.8 pounds. The 143-3025 is manufactured in Canada, ensuring production traceability and consistent build standards.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage dimensions: 2.5\" H x 12.8\" L x 10.199\" W\u003c\/li\u003e\n  \u003cli\u003ePackage weight: ~0.8 pounds for easy handling\u003c\/li\u003e\n  \u003cli\u003eCountry of origin: Canada, for reliable manufacturing quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Denso 143-3025 is intended for vehicle owners and mechanics seeking a reliable, OEM-fit replacement air filter made with consistent manufacturing standards. It's a good choice if you want a straightforward swap that restores intake protection and helps preserve engine components, especially for owners who prefer parts produced in Canada. Ideal users include routine-maintenance DIYers, professional service shops, and anyone replacing a worn or clogged air filter to maintain proper engine operation.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Denso 143-3025 a direct replacement for OEM filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 143-3025 is manufactured to match OEM dimensions and fit most compatible airboxes without modification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Where is the Denso 143-3025 made?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This Denso air filter is manufactured in Canada, reflecting consistent production standards.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48086158966942,"sku":"B0153AHW2A","price":74.21,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-air-filter-front-packaging.jpg?v=1785887470"},{"product_id":"denso-platinum-tt-spark-plugs-pk20tt-6-pack-twin-tip-platinum-center-titanium-ground-for-longer-service","title":"Denso Platinum TT Spark Plugs PK20TT (6-Pack) — Twin‑Tip Platinum Center, Titanium Ground for Longer Service","description":"\u003cp\u003e\u003cstrong\u003eDenso 6-pack Platinum TT (4504) PK20TT spark plugs deliver long-lasting ignition reliability and improved combustion through Denso's twin-tip precious‑metal electrode design.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese genuine Denso plugs combine a fine-center platinum electrode with a titanium-enhanced ground tip to sustain a small spark gap and resist erosion over time. The design aims to promote efficient ignition and steady engine response while extending service intervals compared with conventional plugs. Supplied as a six-piece set, these plugs suit vehicles specifying the PK20TT \/ 4504 number and are intended for drivers who want OEM-quality replacement parts.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these plugs affect engine ignition and fuel use?\u003c\/h3\u003e\n\u003cp\u003eThe twin‑tip layout focuses the spark into a controlled arc, helping fuel-air mixture burn more completely on each cycle. That increased ignitability can translate into smoother throttle response and potential improvements in combustion consistency under a variety of conditions. Results depend on overall engine health and tuning.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFine-diameter platinum center electrode for a concentrated spark.\u003c\/li\u003e\n  \u003cli\u003eTitanium-enhanced ground electrode to slow tip wear.\u003c\/li\u003e\n  \u003cli\u003eStable gap retention supports consistent ignition over time.\u003c\/li\u003e\n  \u003cli\u003eSold as a six-pack to service multiple cylinders or for spare stock.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and construction make these plugs durable?\u003c\/h3\u003e\n\u003cp\u003eDenso uses a platinum alloy in the center electrode and a titanium-infused alloy on the ground tip to reduce erosion and maintain performance. The smaller center tip is practical only because the precious-metal composition resists rapid wear, preserving plug geometry. Overall build quality matches Denso OEM standards for reliable fit and long life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePlatinum center electrode alloys for wear resistance.\u003c\/li\u003e\n  \u003cli\u003eTitanium-enhanced ground electrode to minimize erosion.\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant shell and insulator design for service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these compatible with my vehicle and how do I install them?\u003c\/h3\u003e\n\u003cp\u003eCompatibility depends on your engine's plug specification; these are Denso part number 4504, commonly referenced as PK20TT. Always cross-reference with your owner's manual or a parts guide to confirm thread size, reach, and heat range before purchase. Installation requires the correct socket and torque to avoid damage and ensure proper sealing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify PK20TT \/ 4504 against your vehicle's required plug code.\u003c\/li\u003e\n  \u003cli\u003eUse the specified torque and a proper spark-plug socket for installation.\u003c\/li\u003e\n  \u003cli\u003eReplace one plug at a time to preserve ignition lead order on multi-cylinder engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will these spark plugs typically last?\u003c\/h3\u003e\n\u003cp\u003eService life is longer than standard copper plugs due to the precious‑metal electrodes, but exact mileage varies by engine, driving conditions, and maintenance. Denso platinum plugs are generally selected for extended intervals, offering reduced frequency of replacements versus non-precious-metal types.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecious-metal electrodes extend useful life compared with copper plugs.\u003c\/li\u003e\n  \u003cli\u003eActual interval depends on vehicle and driving habits.\u003c\/li\u003e\n  \u003cli\u003eInspect plugs during routine tune-ups for optimal timing of replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Drivers and mechanics seeking a reliable OEM-style replacement set for vehicles that specify Denso PK20TT \/ 4504 spark plugs. Ideal for owners who want extended service life and steady ignition performance without modifying engine tune; also useful as a six-piece spare set for routine maintenance or small fleets.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are Denso 4504 PK20TT plugs compatible with my car?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check your owner's manual or parts catalog for PK20TT or 4504 fitment, verifying thread size and reach before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace these platinum TT plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They last longer than copper plugs; replacement intervals vary, so inspect during regular tune-ups and follow manufacturer guidance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48086760390814,"sku":"B00S3H2D3Y","price":77.22,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-4504-front-packaging.jpg?v=1785903861"},{"product_id":"denso-o2-oxygen-sensor-234-4018-4-wire-narrow-band-15-35-harness-for-select-gm-models-1996-2003","title":"Denso O2 Oxygen Sensor 234-4018 – 4-Wire Narrow-Band, 15.35\" Harness for Select GM Models (1996–2003)","description":"\u003cp\u003e\u003cstrong\u003eThe Denso 234-4018 is a direct-replacement narrow-band oxygen (O2) sensor with a 15.35-inch, four-wire harness engineered to restore accurate exhaust oxygen readings for compatible GM vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement Denso sensor is built to meet OE tolerances and designed for the engines listed across Buick, Cadillac, Chevrolet, GMC, Oldsmobile and Pontiac model years in the product fitment. It uses Denso’s protective ceramic technology and a four-wire design to provide the signal and heater circuits needed for reliable closed-loop fuel control. The harness length and connector match original equipment for a straightforward swap without splicing or modifications when matched to the listed models.\u003c\/p\u003e\n\n\u003ch3\u003eWill this sensor fit my vehicle?\u003c\/h3\u003e\n\u003cp\u003eFitment depends on make, model and year — Denso part 234-4018 was produced as a direct replacement for many GM vehicles from the mid‑1990s through the early 2000s. Check the specific model list below and compare your vehicle year and engine location to confirm compatibility. When in doubt, compare the connector and O2 sensor thread size to your original sensor.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible makes include Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac\u003c\/li\u003e\n  \u003cli\u003eYears covered span roughly 1996–2003 for many models (see full fitment list)\u003c\/li\u003e\n  \u003cli\u003eFour-wire narrow-band sensor with 15.35\" (approx.) harness length\u003c\/li\u003e\n  \u003cli\u003eIntended as a direct OE-style replacement — no cutting or re-pinning required for listed vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this Denso O2 sensor affect engine performance and economy?\u003c\/h3\u003e\n\u003cp\u003eThe sensor provides the engine control module (ECM) with oxygen-level feedback to adjust fuel delivery in closed-loop operation. A properly functioning sensor helps the ECM maintain the correct air–fuel ratio, which supports consistent idle, smoother throttle response, and optimized fuel consumption under normal driving. Replacing a failing sensor can reduce rough running and potential driveability issues caused by incorrect fuel trims.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNarrow-band output suited for older GM ECM calibration strategies\u003c\/li\u003e\n  \u003cli\u003eInternal heater reduces warm-up time so the sensor reaches operating temperature faster\u003c\/li\u003e\n  \u003cli\u003eDenso’s ceramic protection extends element life against contaminants\u003c\/li\u003e\n  \u003cli\u003eHelps restore accurate short- and long-term fuel trim readings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the build and durability advantages of the Denso 234-4018?\u003c\/h3\u003e\n\u003cp\u003eDenso manufactures sensors to OE-quality standards, focusing on precision fit and consistent signal performance. This unit incorporates an aluminum-oxide trap layer that shields the sensing ceramic from contaminants like silicone or lead that can degrade responsiveness. The four-wire configuration isolates the heater and signal circuits for reliable operation and longevity under typical exhaust conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOE-standard manufacturing for accurate dimensions and connector match\u003c\/li\u003e\n  \u003cli\u003eAluminum-oxide trap layer protects ceramic sensing element\u003c\/li\u003e\n  \u003cli\u003eFour-wire design: separate heater and signal wiring for stable readings\u003c\/li\u003e\n  \u003cli\u003eDurable materials chosen for resistance to exhaust heat and vibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what tools are needed?\u003c\/h3\u003e\n\u003cp\u003eInstallation is generally straightforward for a technician or a competent DIYer with basic tools. You’ll need an oxygen sensor socket or appropriate wrench, penetrating lubricant for a seized sensor, and a torque wrench to tighten to the specified torque. Ensure the vehicle is cool and supported safely before beginning service.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRequired tools: O2 sensor socket or hex wrench, penetrating oil, torque wrench\u003c\/li\u003e\n  \u003cli\u003eTypical time: 30–90 minutes depending on exhaust accessibility\u003c\/li\u003e\n  \u003cli\u003eConnector matches factory harness for plug-and-play fit on listed vehicles\u003c\/li\u003e\n  \u003cli\u003eAlways follow vehicle manufacturer torque and safety recommendations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this product for: The Denso 234-4018 is aimed at owners and technicians servicing late‑1990s to early‑2000s GM vehicles who need a factory-grade replacement oxygen sensor. It’s suitable for those seeking a dependable, OE-quality component to correct fuel trim issues, resolve OBD-II oxygen sensor fault codes, or replace a worn sensor as preventive maintenance. If your vehicle appears in the fitment list and your original sensor uses a four-wire narrow-band design with a similar harness length, this Denso unit offers a direct-fit option built for long-term service.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Denso 234-4018 a direct replacement for my GM vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If your model and year appear in the fitment list and your original unit is a four-wire narrow-band sensor, this Denso part is designed for direct replacement with matching connector and length.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will installing this sensor clear an OBD-II code?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replacing a faulty sensor can resolve oxygen-sensor-related codes, but codes caused by wiring, exhaust leaks, or ECM issues may persist and require further diagnosis.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48086794338462,"sku":"B000C5WCOA","price":83.94,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-234-4018-front-view.jpg?v=1785905461"},{"product_id":"denso-cabin-air-filter-453-1019-direct-fit-oe-replacement-pleated-paper","title":"Denso Cabin Air Filter 453-1019 — Direct-Fit OE Replacement, Pleated Paper","description":"\u003cp\u003e\u003cstrong\u003eDenso 453-1019 is a First Time Fit cabin air filter designed to replace the factory filter in select Lexus, Scion, and Toyota models to help keep passenger air cleaner.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis cabin filter from Denso is engineered as a direct-fit replacement for specific Toyota, Lexus and Scion vehicles. Made of pleated paper media, it captures common in-cabin contaminants such as pollen, dust and road debris, helping maintain air quality inside the vehicle and protect HVAC components. The filter ships in compact packaging with dimensions approximately 30.734 x 4.064 x 23.368 cm.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the Denso 453-1019 fit my vehicle?\u003c\/h3\u003e\n\u003cp\u003eThe 453-1019 is a First Time Fit part, meaning it matches original equipment (OE) dimensions and mounting points for certain factory applications. Fitment is model- and year-specific, so confirm compatibility with your vehicle make and model before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned to replace OE cabin filters in select Lexus, Scion and Toyota vehicles\u003c\/li\u003e\n  \u003cli\u003eDirect-fit form factor reduces installation time and adjustment\u003c\/li\u003e\n  \u003cli\u003ePleated shape aligns with standard HVAC housings used by the brands\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat contaminants does this cabin filter block?\u003c\/h3\u003e\n\u003cp\u003eThe Denso filter uses pleated paper media to trap airborne particles that would otherwise enter the passenger compartment and HVAC system. While not a medical device, it helps reduce pollen, road dust and larger airborne debris for a fresher cabin environment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures pollen and larger allergenic particles\u003c\/li\u003e\n  \u003cli\u003eTraps road dust, soot and visible dirt before cabin entry\u003c\/li\u003e\n  \u003cli\u003eHelps prevent debris buildup in the HVAC blower and vents\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace the Denso cabin air filter?\u003c\/h3\u003e\n\u003cp\u003eReplacement interval depends on driving conditions and environment; typical guidance is to check the filter at regular service intervals or annually. Replace sooner if you drive in dusty areas, heavy pollen seasons, or notice reduced airflow and odors from the vents.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck condition during routine maintenance or at least once a year\u003c\/li\u003e\n  \u003cli\u003eReplace earlier when exposed to heavy dust, construction, or pollen\u003c\/li\u003e\n  \u003cli\u003eSwap the filter if cabin airflow weakens or smells develop\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation for a DIYer?\u003c\/h3\u003e\n\u003cp\u003eInstalling this Denso cabin air filter is typically straightforward and requires minimal tools; many models allow access through a glove box or under-hood filter housing. Follow the vehicle’s service manual for proper orientation and sealing to ensure effective filtration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOften accessible via glove box or under-hood housing panels\u003c\/li\u003e\n  \u003cli\u003eSimple hand tools and a few minutes are usually sufficient\u003c\/li\u003e\n  \u003cli\u003eCorrect orientation of the pleats and seals prevents bypass\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Denso 453-1019 cabin air filter is intended for owners of compatible Lexus, Toyota, and Scion vehicles who want an OEM-style replacement filter. It's a good option for DIY maintainers and professional technicians who prefer a direct-fit, paper-media filter to help reduce visible airborne contaminants and protect HVAC components during everyday driving.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Denso 453-1019 an exact replacement for OEM filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it's a First Time Fit design made to match OE dimensions and mounting for select Lexus, Scion, and Toyota models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install this filter myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: In most cases yes; many vehicles allow access through the glove box or a simple housing with basic tools and a few minutes of work.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":48086814785694,"sku":"B000PWWPCY","price":55.53,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/denso-cabin-filter-front-packaging.jpg?v=1785906277"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/collections\/denso-234-9005-front-view.jpg?v=1786193011","url":"https:\/\/northtrailauto.ca\/collections\/brand-denso.oembed","provider":"North Trail Auto","version":"1.0","type":"link"}