{"product_id":"kacuyelin-iridium-spark-plugs-set-of-4-direct-fit-oe-93501-lkar7bix-11s-long-life-ignition","title":"KacuYelin Iridium Spark Plugs Set of 4 — Direct-Fit OE 93501\/LKAR7BIX-11S, Long-Life Ignition","description":"\u003cp\u003e\u003cstrong\u003eKacuYelin Iridium spark plugs set of 4 delivers consistent high-voltage ignition for compatible Honda, Toyota, Mazda, Subaru and Scion engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis four-pack of iridium-tipped spark plugs is engineered as a direct replacement for a wide range of late-model vehicles that use OE part numbers such as 93501 and LKAR7BIX-11S. Manufactured in TS16949-certified facilities, these plugs prioritize long life, reliable spark delivery and careful fitment guidance so you can swap them in with confidence when the service interval arrives.\u003c\/p\u003e\n\n\u003ch3\u003eWill these plugs fit my car?\u003c\/h3\u003e\n\u003cp\u003eCompatibility spans many common models and years — but always verify before buying. Use the vehicle fitment details or a fitment tool and compare thread size, heat range and electrode design with your originals to confirm correct match.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Honda Accord (2013–2017 2.4L), Civic (2016–2020 2.0L), CR-V and Fit models listed in the fitment notes.\u003c\/li\u003e\n  \u003cli\u003eFits Toyota Corolla\/Matrix (2009–2015 1.8L) and some Prius\/Yaris\/Lexus CT200h models noted.\u003c\/li\u003e\n  \u003cli\u003eFits many Mazda 3\/6, CX-3\/CX-5 and MX-5 model years included in the fitment list.\u003c\/li\u003e\n  \u003cli\u003eCompatible with multiple Subaru models including Forester and Outback 2.5L\/2.0L where specified.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do iridium plugs benefit my engine compared to standard plugs?\u003c\/h3\u003e\n\u003cp\u003eIridium is a harder, finer material at the electrode tip, which reduces wear and maintains a sharper spark gap over time. That can translate to steadier ignition, smoother idling and more consistent combustion across the plug's service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLonger electrode life than nickel; resists erosion from repeated sparks.\u003c\/li\u003e\n  \u003cli\u003eSmaller center electrode promotes a more focused and efficient spark.\u003c\/li\u003e\n  \u003cli\u003eHelps preserve factory-like performance between replacements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before installing these spark plugs?\u003c\/h3\u003e\n\u003cp\u003eProper fit and installation are essential. Confirm the part fits your engine, match the new plug to the old one for thread length and tip shape, and use a torque wrench to tighten to the vehicle manufacturer’s specification.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify OEM reference numbers (e.g., 93501, LKAR7BIX-11S) against your vehicle.\u003c\/li\u003e\n  \u003cli\u003eCheck heat range differences — keep changes within one range where possible.\u003c\/li\u003e\n  \u003cli\u003eClean spark plug well of debris before installing to prevent contamination.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these plugs address common ignition problems?\u003c\/h3\u003e\n\u003cp\u003eThe KacuYelin design aims to stabilize high-voltage output and reduce symptoms caused by worn or failing plugs. While results depend on the vehicle’s overall condition, replacing worn plugs often reduces misfires and uneven idling when part of a proper tune-up.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTargets misfire, rough idle and uneven throttle response linked to old plugs.\u003c\/li\u003e\n  \u003cli\u003ePrecision electrodes help maintain steady combustion across RPM range.\u003c\/li\u003e\n  \u003cli\u003eManufacturing controls and testing improve consistency across the set.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This set is intended for DIY mechanics and professional technicians who need OE-replacement iridium spark plugs for mid-2000s to recent-model Honda, Toyota, Mazda, Subaru, Scion and related vehicles listed in the fitment notes. Choose these plugs if you want a long-lasting iridium tip, certified manufacturing provenance and clear guidance on fitment and installation. If unsure, confirm compatibility with a fitment tool or consult a service manual 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: Do these KacuYelin plugs match OEM part 93501?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, this set lists 93501 and LKAR7BIX-11S among referenced OE numbers; verify fit with your vehicle before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use a different heat range of the same plug model?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You can, but keep the heat range change within one step to avoid heat-dissipation issues.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KacuYelin","offers":[{"title":"Default Title","offer_id":48085546369182,"sku":"B0G1LNPQCG","price":39.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/kacuyelin-front-packaging_9f5feef6-885a-4976-9129-28c18b2b0325.jpg?v=1785872582","url":"https:\/\/northtrailauto.ca\/products\/kacuyelin-iridium-spark-plugs-set-of-4-direct-fit-oe-93501-lkar7bix-11s-long-life-ignition","provider":"North Trail Auto","version":"1.0","type":"link"}