{"product_id":"autowxjq-iridium-spark-plug-ignition-coil-set-8-piece-for-toyota-lexus-4-6l-5-7l-pre-gapped-direct-replacement","title":"Autowxjq Iridium Spark Plug \u0026 Ignition Coil Set — 8‑Piece for Toyota\/Lexus 4.6L‑5.7L, Pre‑Gapped Direct Replacement","description":"\u003cstrong\u003eAutowxjq eight-piece iridium spark plug and ignition coil set replaces factory units for many 4.6L and 5.7L Toyota and Lexus V8 engines, pre-gapped and ready to install.\u003c\/strong\u003e\n\n\u003cp\u003eIf you're maintaining a Toyota Tundra, Sequoia, Land Cruiser or a Lexus V8 from the 2007–2022 model years, this Autowxjq kit gives you eight iridium-tipped spark plugs matched to ignition coil compatibility for a full-bank service. The plugs arrive pre-gapped to factory specifications, and the listing cross-references common OEM part numbers so you can confirm fitment before purchase. Backed by a 12-month warranty and customer support, the set is intended as a direct-replacement option for routine maintenance or mid-life ignition refresh.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines will these spark plugs fit?\u003c\/h3\u003e\n\u003cp\u003eThis kit is engineered for V8 Toyota and Lexus models that use the listed plug types. It covers multiple years and engine displacements—primarily 4.6L and 5.7L V8s—used in Tundra, Sequoia, Land Cruiser and several Lexus platforms. Always verify with your vehicle’s service manual or the part-number cross-reference before installation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eToyota Tundra: 2007–2021 (4.6L and 5.7L V8 coverage varies by year)\u003c\/li\u003e\n\u003cli\u003eToyota Sequoia: selected 2008–2022 4.6L\/4.7L\/5.7L model years\u003c\/li\u003e\n\u003cli\u003eToyota Land Cruiser: compatible 2008–2021 5.7L V8 years\u003c\/li\u003e\n\u003cli\u003eLexus GX460, LS460, LX570: compatible model-year ranges listed per engine size\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow are these plugs prepared for installation?\u003c\/h3\u003e\n\u003cp\u003eThe Autowxjq plugs come pre-gapped to the dimensions used in many OEM replacement scenarios, meaning you can install them without additional gap setting in most cases. They are iridium-tipped for a fine center electrode and designed for longevity in standard driving conditions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePre-gapped to factory-like specifications for immediate installation\u003c\/li\u003e\n\u003cli\u003eIridium center electrode for a thin, durable firing point\u003c\/li\u003e\n\u003cli\u003eSold as a set of eight to service an entire V8 bank in one job\u003c\/li\u003e\n\u003cli\u003eIncludes referenced OEM part numbers to confirm direct-replacement fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the expected benefits of using iridium plugs with ignition coil replacements?\u003c\/h3\u003e\n\u003cp\u003eUsing iridium plugs paired with healthy ignition coils typically supports consistent spark delivery, more reliable starts, and stable combustion characteristics across cylinders. Replacing coils and plugs together reduces mismatched wear and helps diagnose ignition issues more clearly when symptoms appear.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproved electrode durability compared with standard nickel plugs\u003c\/li\u003e\n\u003cli\u003eConsistent spark performance across all cylinders when coils are matched\u003c\/li\u003e\n\u003cli\u003eReduced risk of misfires due to worn plug-to-coil interfaces\u003c\/li\u003e\n\u003cli\u003eClearer troubleshooting if ignition-related symptoms persist after replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installation tips and service suggestions should I follow?\u003c\/h3\u003e\n\u003cp\u003eFollow the vehicle manufacturer’s torque and installation procedures for spark plugs and ignition coils. It’s recommended to replace coils and plugs together when either shows signs of wear; this reduces future diagnostic uncertainty and helps ensure uniform firing characteristics.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUse a torque wrench and the OEM torque specification for spark plugs\u003c\/li\u003e\n\u003cli\u003eReplace ignition coils and plugs at the same time when possible\u003c\/li\u003e\n\u003cli\u003eCheck part-number cross-reference (e.g., 90919-02255 and others) for fit verification\u003c\/li\u003e\n\u003cli\u003eInspect boots and wiring harnesses for signs of heat damage or corrosion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Autowxjq ignition kit is aimed at owners and DIY mechanics of Toyota and Lexus V8 vehicles who need a full-bank spark plug solution that mirrors OEM specifications. It's useful for scheduled maintenance, ignition-system troubleshooting, or when replacing degraded coils and plugs together to restore consistent engine performance. If you’re uncertain about fitment, consult your vehicle’s service manual or a professional mechanic 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: Are these spark plugs pre-gapped for my Toyota V8?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Autowxjq plugs come pre-gapped to common factory specifications for the listed Toyota and Lexus V8 applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to replace ignition coils when changing these plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It’s recommended to replace coils and plugs together to prevent mismatched wear and reduce future ignition issues.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Autowxjq","offers":[{"title":"Default Title","offer_id":48081445388446,"sku":"B0DJHHQ67J","price":192.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/autowxjq-front-packaging.jpg?v=1785804835","url":"https:\/\/northtrailauto.ca\/products\/autowxjq-iridium-spark-plug-ignition-coil-set-8-piece-for-toyota-lexus-4-6l-5-7l-pre-gapped-direct-replacement","provider":"North Trail Auto","version":"1.0","type":"link"}