{"product_id":"ignition-coil-pack-fd508-for-2004-2008-ford-v8-reliable-replacement","title":"Ignition Coil Pack FD508 for 2004-2008 Ford V8 - Reliable Replacement","description":"\u003cp\u003eIn this review the Ignition Coil Pack FD508 is evaluated as a direct replacement for a range of Ford, Lincoln and Mercury V8 engines from mid 2000s models. The bottom line: this coil pack is for owners who need a straightforward, cost effective replacement that restores smooth idle and reliable spark. It is notable for its compatibility across multiple 5.4L, 4.6L and 6.8L V engines and for using high-conductivity copper windings and heat-resistant materials, which combine to deliver dependable ignition performance without an elaborate installation process.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide vehicle fitment:\u003c\/strong\u003e Covers many 2004-2008 Ford F150, Expedition, Mustang and Super Duty models so owners can replace coils on several V8 engines without hunting multiple SKUs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e The exterior uses epoxy resin and high-strength engineering plastic to resist engine bay heat and reduce the chance of housing damage over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCopper windings:\u003c\/strong\u003e High-conductivity copper coil material promotes faster ignition response and consistent spark delivery under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM cross references:\u003c\/strong\u003e Replaces common part numbers such as FD508, DG511 and C1541 so it integrates with existing wiring and mounts as expected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-year warranty:\u003c\/strong\u003e Backed by a one-year warranty after testing, providing basic protection against early failures.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis coil pack is best for DIY mechanics and professional technicians replacing failed coils on 2004-2008 Ford F150 5.4L, Expedition 5.4L, Lincoln Navigator 5.4L, 4.6L Explorer and Mercury Mountaineer, and 6.8L Super Duty trucks. It is a practical choice when the goal is to restore smooth idling and consistent engine speed without spending on dealer-priced parts.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include owners of vehicles outside the listed years and engine sizes, and anyone needing extended warranty coverage or brand-specific OEM packaging for fleet service. Fitment should be confirmed against part numbers before ordering.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReliable fit across many 2004-2008 Ford, Lincoln and Mercury V8 applications.\u003c\/li\u003e\n\u003cli\u003eQuality materials including epoxy resin housing and copper windings for heat resistance and fast ignition.\u003c\/li\u003e\n\u003cli\u003ePositive user feedback on ease of installation and improved engine idle and operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWarranty is limited to one year, so long-term longevity beyond that term remains a customer risk.\u003c\/li\u003e\n\u003cli\u003eNot an OEM-branded part, so some buyers preferring dealership components may opt for factory coils.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Engines\u003c\/td\u003e\n\u003ctd\u003e5.4L V8, 4.6L V8, 6.8L V10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Years\u003c\/td\u003e\n\u003ctd\u003e2004 - 2008\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment Examples\u003c\/td\u003e\n\u003ctd\u003eFord F150, Expedition, Mustang, F250\/350\/450\/550, Lincoln Navigator, Mark LT, Explorer, Mercury Mountaineer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplaces Part Numbers\u003c\/td\u003e\n\u003ctd\u003eFD508, DG511, C1541, C1659, UF537, E508 and related numbers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterials\u003c\/td\u003e\n\u003ctd\u003eEpoxy resin housing, high-strength engineering plastic, copper windings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe FD508 ignition coil pack is a sensible, value-minded replacement for a wide range of 2004-2008 Ford, Lincoln and Mercury V8 models. It offers sturdy materials, compatible part cross references and straightforward installation, making it a good buy for most owners who need to restore reliable spark and smoother idle without paying dealer prices.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this coil pack fit my 2006 Ford F150 5.4L?\u003c\/strong\u003e\u003cbr\u003eYes, it is listed as compatible with 2004-2008 Ford F150 5.4L V8 engines, but verify against your existing part number.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the warranty period?\u003c\/strong\u003e\u003cbr\u003eThe product includes a 1-year warranty that covers defects discovered during normal use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it use OEM materials?\u003c\/strong\u003e\u003cbr\u003eThe coils use epoxy resin and high-strength engineering plastic for the housing and high-conductivity copper windings to match expected ignition performance.\u003c\/p\u003e","brand":"Marsram","offers":[{"title":"Default Title","offer_id":48250133250267,"sku":"B09W2D71DZ","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61sHuJTuDYL._AC_SL1500.jpg?v=1770997890","url":"https:\/\/gearmusthave.com\/products\/ignition-coil-pack-fd508-for-2004-2008-ford-v8-reliable-replacement","provider":"GearMustHave","version":"1.0","type":"link"}