{"product_id":"x4xz-ignition-coil-double-iridium-spark-plug-kit-6-coils-6-plugs-for-4-0l-v6-toyota-oe-fit-long-life","title":"X4XZ Ignition Coil \u0026 Double Iridium Spark Plug Kit — 6 Coils + 6 Plugs for 4.0L V6 Toyota, OE-fit Long-Life","description":"\u003cstrong\u003eComplete ignition kit with six UF495 coils and six 6176 double-iridium spark plugs engineered to restore reliable spark and improve throttle response for compatible Toyota and Lexus engines.\u003c\/strong\u003e\n\nThis X4XZ kit pairs direct-fit UF495 ignition coils with long-life 6176 double iridium spark plugs to replace worn ignition components on a range of Toyota and Lexus models. Each coil and plug is built to match or exceed OE specifications, helping to eliminate misfires, rough idle, and intermittent power loss when installed correctly. The package contains six coils and six spark plugs and is intended for engines and vehicles listed in the compatibility notes.\n\n\u003ch3\u003eWhich vehicles and engines will this ignition kit fit?\u003c\/h3\u003e\n\u003cp\u003eThe kit is designed for a variety of Toyota and Lexus engines—primarily 4.0L V6 Toyota applications and select 4-cylinder and V8 models. Review the compatibility list closely before purchase to ensure correct year and engine match.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eToyota V6 4.0L: 2003–2015 4Runner, 2005–2015 Tacoma, 2005–2011 Tundra, 2007–2009 FJ Cruiser.\u003c\/li\u003e\n  \u003cli\u003eToyota L4\/other: 2006–2011 Camry 2.4L, 2009–2010 Corolla 2.4L, 2008–2015 Scion xB 2.4L, and more.\u003c\/li\u003e\n  \u003cli\u003eLexus V8: 2008–2017 IS F, GS-F, RC F (select years\/engines listed).\u003c\/li\u003e\n  \u003cli\u003eCheck the second product image for the extended vehicle list before buying.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these UF495 coils and 6176 iridium plugs improve engine performance?\u003c\/h3\u003e\n\u003cp\u003eReplacing old coils and plugs with matched, high-quality parts restores consistent spark delivery and combustion stability. That typically reduces misfires, smooths idle, and can improve throttle response and fuel efficiency when ignition was the limiting factor.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble iridium tips provide a stable, long-lasting spark and extended service life—rated up to approximately 100,000 km under normal conditions.\u003c\/li\u003e\n  \u003cli\u003ePremium coil internals, stainless-steel spring, and ferrite noise suppressor reduce radio interference and maintain reliable voltage transfer.\u003c\/li\u003e\n  \u003cli\u003eThermoplastic connectors resist heat-related fracturing for a secure electrical connection over time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installation and part-number details should I know?\u003c\/h3\u003e\n\u003cp\u003eEach kit includes six ignition coil packs and six double-iridium spark plugs; no written instructions are included, though the parts are designed for bolt-in replacement where compatible. Confirm OE cross-reference numbers to match your vehicle’s required parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: 6 × UF495 ignition coils and 6 × 6176 double iridium spark plugs.\u003c\/li\u003e\n  \u003cli\u003eOE\/Cross numbers: UF-495, 90919-02248, 90919-02260, 90919-A2001, 90919-T2005, plus others listed.\u003c\/li\u003e\n  \u003cli\u003eSimple swap for technicians or experienced DIYers; basic hand tools and torque specs per factory service manual recommended.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and longevity can I expect from these components?\u003c\/h3\u003e\n\u003cp\u003eThe spark plugs use double iridium electrodes for prolonged life and consistent spark characteristics, while the coils use durable materials and design features to withstand heat and electrical stress. Longevity depends on driving conditions, maintenance, and installation quality.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble iridium plugs rated for extended service life and consistent ignition performance.\u003c\/li\u003e\n  \u003cli\u003eCoils feature stainless-steel spring, ferrite noise suppression, and advanced thermoplastic connectors for durability.\u003c\/li\u003e\n  \u003cli\u003eDesigned to meet or exceed OE fit and function for reliable replacement performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\nWho is this for\n\nThis X4XZ UF495 + 6176 kit is intended for vehicle owners, mechanics, and fleet operators who need a full-bank ignition replacement for compatible Toyota and Lexus engines. It's a good option when you’re troubleshooting misfires, rough idle, or decreased engine responsiveness and want matched coils and plugs in one purchase. If you’re unsure about fitment, confirm your engine code and OEM part numbers before ordering or consult a service professional for guidance.\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 kit include all parts needed for a full-bank replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit contains six UF495 ignition coils and six 6176 double-iridium spark plugs for a full-bank replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these coils and plugs direct-fit for my Toyota 4.0L V6?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They are designed to match OE fit for many 4.0L V6 Toyota models; confirm your vehicle year and part numbers before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"X4XZ","offers":[{"title":"Default Title","offer_id":67584870875321,"sku":"B0CXLZJWB3","price":196.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/x4xz-front-packaging-uf495-6176-kit.jpg?v=1790457120","url":"https:\/\/redleafauto.ca\/products\/x4xz-ignition-coil-double-iridium-spark-plug-kit-6-coils-6-plugs-for-4-0l-v6-toyota-oe-fit-long-life","provider":"Redleaf Auto","version":"1.0","type":"link"}