{"product_id":"dowyta-ignition-coil-pack-spark-plugs-for-toyota-tundra-2010-2019-8-pack-upgraded-direct-fit-for-4-6l-5-7l-v8","title":"DOWYTA Ignition Coil Pack \u0026 Spark Plugs for Toyota Tundra 2010–2019 — 8‑Pack Upgraded, Direct‑Fit for 4.6L–5.7L V8","description":"\u003cstrong\u003eDOWYTA 8-pack ignition coils and spark plugs are a direct-fit replacement set engineered for 4.6L–5.7L V8 Toyota and Lexus models to restore reliable spark and smoother operation.\u003c\/strong\u003e\n\n\u003cp\u003eIf your Tundra, Sequoia, Land Cruiser or compatible Lexus is showing misfires, rough idle, or reduced throttle response, worn ignition coils and spark plugs are often the cause. This DOWYTA kit bundles eight upgraded ignition coils with matching spark plugs engineered for Toyota part numbers such as 90919-02251 and UF487. The components use enhanced copper windings and a heat-dissipating plastic housing intended to fit 4.6L and 5.7L V8 engines across model years listed, offering a straightforward swap for DIY mechanics or professional shops.\u003c\/p\u003e\n\n\u003ch3\u003eHow will replacing these ignition coils and spark plugs affect drivability?\u003c\/h3\u003e\n\u003cp\u003eInstalling fresh coils and plugs can stabilize combustion across all cylinders, which typically reduces engine hesitation and smooths idle. Drivers often notice crisper throttle response and fewer intermittent misfire codes after replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores consistent spark delivery across eight cylinders\u003c\/li\u003e\n  \u003cli\u003eReduces rough idling and intermittent misfires\u003c\/li\u003e\n  \u003cli\u003eHelps eliminate check-engine lights related to ignition faults\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these DOWYTA parts compatible with my Toyota or Lexus model?\u003c\/h3\u003e\n\u003cp\u003eThe kit lists compatibility with a broad range of Toyota and Lexus V8s: Tundra, Sequoia, Land Cruiser, GX460, LS460, LS600h, and LX570 across the years specified. Always verify by matching your vehicle year, engine size, and OEM part numbers against the listing before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits 4.6L and 5.7L V8 models noted in the compatibility list\u003c\/li\u003e\n  \u003cli\u003eCorresponds to factory part numbers like 90919-02251, UF487\u003c\/li\u003e\n  \u003cli\u003eSuitable for both DIY and professional replacement jobs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat build quality and materials are used in the DOWYTA coils and plugs?\u003c\/h3\u003e\n\u003cp\u003eDOWYTA designs these ignition coils with imported copper windings and a plastic housing optimized for heat dissipation. The spark plugs and coil assemblies are manufactured to meet common OE fit standards and to withstand typical under-hood temperatures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCopper wire windings for reliable conductivity\u003c\/li\u003e\n  \u003cli\u003ePlastic housings shaped to aid heat transfer and durability\u003c\/li\u003e\n  \u003cli\u003eManufactured to match OEM external dimensions for direct fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what should I prepare for?\u003c\/h3\u003e\n\u003cp\u003eReplacing eight coils and plugs is a medium-difficulty job that most home mechanics can complete with basic hand tools and a torque wrench. Work methodically by changing one cylinder at a time to avoid mix-ups and follow torque specs for spark plugs and coil fasteners.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBasic tools plus ratchet, spark plug socket, and torque wrench recommended\u003c\/li\u003e\n  \u003cli\u003eReplace coils and plugs one cylinder at a time to maintain order\u003c\/li\u003e\n  \u003cli\u003eAllow engine to cool and follow OEM torque specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This DOWYTA 8-pack is aimed at owners of Toyota and Lexus V8 models (4.6L–5.7L) who need a complete ignition service set—whether addressing misfires, preventive maintenance, or restoring performance after prolonged use. It’s suitable for DIY enthusiasts and independent repair shops seeking a full-cylinder replacement kit that references common OEM part numbers for an accurate fit. If you’re unsure about model compatibility or installation, check your vehicle’s engine code and part numbers or consult a trusted mechanic before ordering.\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: Will this kit fit my 2015 Toyota Tundra 5.7L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—this DOWYTA 8-pack lists compatibility with Tundra 5.7L models including 2015. Verify by matching your engine size and OEM part numbers before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include all eight coils and plugs for a full replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the package contains eight ignition coils plus matching spark plugs designed for a complete V8 cylinder bank replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DOWYTA","offers":[{"title":"Default Title","offer_id":67585590722745,"sku":"B0FXFJC4DT","price":304.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/dowyta-front-packaging.jpg?v=1790473198","url":"https:\/\/redleafauto.ca\/products\/dowyta-ignition-coil-pack-spark-plugs-for-toyota-tundra-2010-2019-8-pack-upgraded-direct-fit-for-4-6l-5-7l-v8","provider":"Redleaf Auto","version":"1.0","type":"link"}