{"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":63.03,"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","url":"https:\/\/northtrailauto.ca\/products\/denso-sk20r11-3297-spark-plugs-pack-of-4-oem-replacement-correct-fit-reliable-ignition","provider":"North Trail Auto","version":"1.0","type":"link"}