{"product_id":"lcwrgs-ignition-coils-spark-plugs-kit-for-ford-5-4l-v8-set-of-8-oe-fit-24-month-warranty","title":"LCWRGS Ignition Coils \u0026 Spark Plugs Kit for Ford 5.4L V8 — Set of 8, OE Fit \u0026 24-Month Warranty","description":"\u003cp\u003e\u003cstrong\u003eComplete set of eight LCWRGS DG508 ignition coils paired with SP479 spark plugs engineered to restore smooth firing for Ford 5.4L V8 engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit combines direct-fit ignition coils and matched spark plugs designed specifically for many Ford 5.4L V8 models from the late 1990s and 2000s. Each component follows OE-style dimensions and electrical performance targets, so installation is straightforward and no modifications are required. The package includes eight coil packs and eight plugs, plus a 24-month warranty and customer support from LCWRGS.\u003c\/p\u003e\n\n\u003ch3\u003eWill this set fit my Ford F150, F250, F350, Expedition, or E-Series van?\u003c\/h3\u003e\n\n\u003cp\u003eCompatibility is one of the strengths of this kit: it covers a wide range of Ford vehicles equipped with the 5.4L V8 across model years commonly associated with the 3W7Z-12029-AA family of parts. Always cross-check your vehicle’s year and engine code with the part numbers listed to confirm fitment before purchase.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFits 1997–2004 Ford Expedition 5.4L V8 (selected years listed)\u003c\/li\u003e\n  \u003cli\u003eFits 1998–2004 Ford F150, F250, F350 with 5.4L V8\u003c\/li\u003e\n  \u003cli\u003eFits 1998–2008 Ford E150, E250, E350 5.4L V8 vans\u003c\/li\u003e\n  \u003cli\u003eCompatible with OEM reference numbers like 3W7Z-12029-AA and related DG\/FD series\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do the LCWRGS coils and plugs improve engine performance?\u003c\/h3\u003e\n\n\u003cp\u003eThe DG508 coils and SP479 plugs are built to meet or exceed OE electrical and mechanical standards so they deliver consistent spark energy and connection reliability. That improved ignition consistency can reduce misfires, smooth idle, and help restore throttle response under typical driving conditions.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHigh-conductivity copper wire for reliable spark transfer\u003c\/li\u003e\n  \u003cli\u003eHigh-dielectric epoxy to resist heat and vibration\u003c\/li\u003e\n  \u003cli\u003eOE-style fit to maintain factory coil-to-plug alignment\u003c\/li\u003e\n  \u003cli\u003eSet of eight ensures all cylinders are updated at once\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat problems can replacing all coils and plugs address?\u003c\/h3\u003e\n\n\u003cp\u003eWorn coils and fouled or degraded plugs are frequent causes of rough idle, hesitation, and check-engine trouble codes related to misfires. Replacing both parts as a matched set helps eliminate multiple failure points and gives a fresh baseline for diagnosis if other issues persist.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHelps correct intermittent or persistent misfires\u003c\/li\u003e\n  \u003cli\u003eCan reduce rough idle and hard-start symptoms\u003c\/li\u003e\n  \u003cli\u003eAids in restoring consistent acceleration and fuel economy\u003c\/li\u003e\n  \u003cli\u003eClears ignition-related trouble codes when issues are resolved\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what’s included in the box?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation is designed to be plug-and-play for experienced DIYers and professional technicians alike; the coils use a direct OEM style connector and the plugs match factory reach and thread. The kit contains everything needed to replace ignition coils and plugs across all eight cylinders, plus warranty coverage and seller support.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eIncludes 8 DG508 ignition coils and 8 SP479 spark plugs\u003c\/li\u003e\n  \u003cli\u003eDirect OEM design, no vehicle modifications required\u003c\/li\u003e\n  \u003cli\u003e24-month warranty and LCWRGS customer support\u003c\/li\u003e\n  \u003cli\u003eCommon replacement part numbers listed for cross-reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This LCWRGS DG508 \u0026amp; SP479 8-pack is intended for owners and technicians working on late-1990s to 2000s Ford 5.4L V8 trucks and vans who want a full ignition refresh in one purchase. If your vehicle exhibits misfires, hesitation, rough idle, or older ignition components that haven’t been replaced in many years, this kit offers matched components for a complete cylinder-by-cylinder renewal. For best results, verify vehicle compatibility with your VIN or factory service manual 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: Are these coils and plugs direct replacements for OEM parts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The DG508 coils and SP479 plugs follow OE dimensions and electrical targets for direct fit in listed Ford 5.4L V8 models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What warranty and support come with the kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The set includes a 24-month warranty and LCWRGS customer support to help resolve fitment or performance questions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LCWRGS","offers":[{"title":"Default Title","offer_id":48084087373982,"sku":"B0B93BB2YC","price":93.34,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/lcwrgs-dg508-sp479-front-packaging.jpg?v=1785846058","url":"https:\/\/northtrailauto.ca\/products\/lcwrgs-ignition-coils-spark-plugs-kit-for-ford-5-4l-v8-set-of-8-oe-fit-24-month-warranty","provider":"North Trail Auto","version":"1.0","type":"link"}