{"product_id":"dowyta-ignition-coil-pack-and-spark-plug-kit-for-toyota-4-0l-v6-6-pack-direct-fit-upgraded-heat-dissipation","title":"DOWYTA Ignition Coil Pack and Spark Plug Kit for Toyota 4.0L V6 – 6-Pack Direct-Fit, Upgraded Heat Dissipation","description":"\u003cp\u003e\u003cstrong\u003eDOWYTA 6-pack ignition coil pack with spark plugs is a direct-fit replacement for Toyota 4.0L V6 engines (Tacoma, 4Runner, FJ Cruiser, Tundra) designed to restore reliable spark and smoother running.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf your 4.0L V6 Toyota is showing misfires, rough idling, or reduced fuel efficiency, swapping in a matched set of ignition coils and spark plugs can quickly address ignition-related performance issues. This kit includes six upgraded coils and six compatible spark plugs engineered for the 2003–2015 Toyota 4.0L V6 applications, built with improved materials and thermal design to handle modern driving demands.\u003c\/p\u003e\n\n\u003ch3\u003eWill these coils and plugs fit my Toyota Tacoma or other 4.0L V6 vehicles?\u003c\/h3\u003e\n\u003cp\u003eYes — the DOWYTA set is built as a direct replacement for the factory units used on Toyota 4.0L V6 engines across multiple models and years. Confirm your engine is the 4.0L V6 before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with Tacoma 2005–2015 4.0L V6\u003c\/li\u003e\n  \u003cli\u003eFits FJ Cruiser 2007–2009 4.0L V6 and 4Runner 2003–2009 4.0L V6\u003c\/li\u003e\n  \u003cli\u003eAlso fits Tundra 2005–2011 4.0L V6\u003c\/li\u003e\n  \u003cli\u003eCross-references factory part numbers (e.g., 90919-02248, UF495) for verification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these upgraded ignition coils and spark plugs improve engine behavior?\u003c\/h3\u003e\n\u003cp\u003eThe kit targets common ignition faults by delivering a more consistent, higher-energy spark and better heat control from the coil housing. That can reduce misfires and stabilize idle, which often translates to more predictable throttle response.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproved copper windings for steadier spark delivery\u003c\/li\u003e\n  \u003cli\u003eThermally optimized plastic housing to dissipate heat effectively\u003c\/li\u003e\n  \u003cli\u003eMatched spark plug pairing to maintain correct gap and timing\u003c\/li\u003e\n  \u003cli\u003eAddresses symptoms like rough idle, intermittent misfire, and check engine light\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic engine access and spark-plug service. The units are designed to plug into the factory harness and bolt into original mounting points; no modifications are required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit replacement: no cutting or splicing needed\u003c\/li\u003e\n  \u003cli\u003eStandard tools (ratchet, spark plug socket, torque wrench) recommended\u003c\/li\u003e\n  \u003cli\u003eReplace all six coils and plugs as a set for balanced operation\u003c\/li\u003e\n  \u003cli\u003eInspect boots and harness connectors for wear while installing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this kit resolve a check-engine light or fuel economy issues?\u003c\/h3\u003e\n\u003cp\u003eReplacing worn or failing coils and plugs often clears ignition-related trouble codes and can improve fuel burn consistency. Results vary by vehicle condition; diagnostics are recommended if other systems are involved.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMay eliminate ignition-related codes (P0300–P0312 family)\u003c\/li\u003e\n  \u003cli\u003eCan reduce rough-running and intermittent misfires when ignition is the root cause\u003c\/li\u003e\n  \u003cli\u003eNot a substitute for fuel system or sensor repairs\u003c\/li\u003e\n  \u003cli\u003eRecommended to clear codes after installation and verify performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This DOWYTA 6-pack is aimed at Toyota owners and DIY mechanics who drive a 4.0L V6 Tacoma, 4Runner, FJ Cruiser, or Tundra and want an affordable, direct-fit replacement to restore ignition reliability. It is also suitable for professional technicians needing a matched set for multi-cylinder servicing. If you need to resolve ignition misfire symptoms or refresh aging ignition components without changing wiring or engine controls, this kit offers a practical upgrade.\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 ignition coils plug-and-play for a 2008 Toyota Tacoma 4.0L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The DOWYTA coils and plugs are direct-fit for 2005–2015 Tacoma 4.0L V6 and install using the factory harness without modifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Should I replace all six coils at once?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replacing all six ensures balanced ignition and prevents repeated labor; it’s the recommended approach for best performance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DOWYTA","offers":[{"title":"Default Title","offer_id":67585485832377,"sku":"B0FXFBBFJV","price":206.92,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/dowyta-front-packaging-ignition-coils-spark-plugs.jpg?v=1790471476","url":"https:\/\/redleafauto.ca\/products\/dowyta-ignition-coil-pack-and-spark-plug-kit-for-toyota-4-0l-v6-6-pack-direct-fit-upgraded-heat-dissipation","provider":"Redleaf Auto","version":"1.0","type":"link"}