{"product_id":"x4xz-uf495-ignition-coil-6176-double-iridium-spark-plug-kit-for-toyota-4-0l-v6-6-pack-restores-idle","title":"X4XZ UF495 Ignition Coil \u0026 6176 Double-Iridium Spark Plug Kit for Toyota 4.0L V6 — 6-Pack, Restores Idle","description":"\u003cp\u003e\u003cstrong\u003eX4XZ UF495 ignition coil and 6176 double iridium spark plug kit replaces worn coils and plugs for Toyota 4.0L V6 engines to restore consistent sparks, smoother idle, and reliable starting.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Tacoma, Tundra, 4Runner or FJ Cruiser with the 4.0L V6 is showing engine misfires, rough idling, or reduced responsiveness, worn ignition components are often the cause. This kit from X4XZ bundles six direct-replacement UF495 coils with six 6176 double-iridium spark plugs engineered to meet or exceed original equipment fit, form and function so installation is straightforward and performance is stable.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this kit affect engine starting and idle?\u003c\/h3\u003e\n\u003cp\u003eReplacing degraded coils and plugs often eliminates intermittent misfires and hesitations during cold starts. The double-iridium plugs maintain a stable spark over longer intervals while the coils deliver consistent high-voltage pulses for even cylinder firing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores reliable cold starts and steady idling\u003c\/li\u003e\n  \u003cli\u003eReduces misfires caused by weak spark\u003c\/li\u003e\n  \u003cli\u003eMatches OE connectors and mounting points for easy swap\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and engines does the UF495 + 6176 kit fit?\u003c\/h3\u003e\n\u003cp\u003eThis kit is specified primarily for Toyota 4.0L V6 applications and also lists cross-compatibilities for other Toyota and Lexus models. Review the vehicle fit list carefully to confirm compatibility with your model year and engine code before purchasing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon fits: 2005–2015 Tacoma 4.0L, 2005–2011 Tundra 4.0L, 2003–2009 4Runner 4.0L\u003c\/li\u003e\n  \u003cli\u003eAlso used across select FJ Cruiser and some Toyota\/Lexus V8 engines per cross-reference\u003c\/li\u003e\n  \u003cli\u003eOE numbers referenced (UF495 + 6176) help confirm correct replacements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the durability and material advantages of these parts?\u003c\/h3\u003e\n\u003cp\u003eThe spark plugs use a double iridium electrode for extended service life and stable ignition, while the coils are built with heat-resistant thermoplastic and ferrite noise suppression. Together they are designed to resist thermal cycling and radio-frequency interference that can impair ignition performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble iridium plugs provide long lifespan and consistent spark\u003c\/li\u003e\n  \u003cli\u003eStainless-steel spring and ferrite suppressor reduce interference\u003c\/li\u003e\n  \u003cli\u003eThermoplastic coil connector resists heat-related fractures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the package and how easy is installation?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains six ignition coil packs and six double-iridium spark plugs—enough for a full bank replacement on V6 engines. Components match OE dimensions so most DIYers with basic tools can complete the swap quickly; no printed manual is included, so follow a factory service guide or trusted online tutorial.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: 6 × UF495 ignition coils, 6 × 6176 double-iridium spark plugs\u003c\/li\u003e\n  \u003cli\u003eOE cross-references provided to verify fitment\u003c\/li\u003e\n  \u003cli\u003eSimple plug-and-play installation for experienced owners and mechanics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This X4XZ kit is aimed at Toyota and Lexus owners who need a full ignition bank refresh on 4.0L V6 engines—drivers noticing misfires, rough idle, or diminished performance—and mechanics or DIY enthusiasts seeking OE-compatible replacement parts with upgraded spark plug longevity. If you want to restore reliable ignition behavior without changing other engine systems, this plug-and-coil set offers a practical, vehicle-specific solution with one-year product support from the seller.\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 kit include all parts needed for a full V6 replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the package contains six UF495 ignition coils and six 6176 double-iridium spark plugs for a complete 4.0L V6 bank replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long do the double iridium spark plugs typically last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Double iridium plugs are designed for extended life; they often reach long service intervals, commonly around 100,000 kilometers under normal conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"X4XZ","offers":[{"title":"Default Title","offer_id":48080770138270,"sku":"B0CXLZJWB3","price":124.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/x4xz-uf495-kit-front-packaging.jpg?v=1785786577","url":"https:\/\/northtrailauto.ca\/products\/x4xz-uf495-ignition-coil-6176-double-iridium-spark-plug-kit-for-toyota-4-0l-v6-6-pack-restores-idle","provider":"North Trail Auto","version":"1.0","type":"link"}