{"product_id":"ignition-coil-pack-dg508-iridium-spark-plug-sp479-kit-reliable","title":"Ignition Coil Pack DG508 + Iridium Spark Plug SP479 Kit - Reliable","description":"\u003cp\u003eIn this review the kit is assessed for owners of older Ford and Lincoln V8 models who need a full ignition refresh. The BDFHYK combo pairs ten DG508-compatible ignition coil packs with ten SP479 iridium spark plugs and is aimed at vehicles such as E-150, E-250, F-150, F-250, F-350 and Navigator with 5.4L V8 engines. The single biggest reason to buy is convenience: it supplies a matched set of coils and plugs so owners can replace the entire ignition system at once and address symptoms like rough idle, misfire or slow acceleration.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete kit:\u003c\/strong\u003e Includes ten ignition coil packs and ten iridium spark plugs so the entire V8 ignition can be renewed in one service session.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide vehicle fit:\u003c\/strong\u003e Covers many Ford and Lincoln 5.4L V8 applications from late 1990s through mid 2010s, reducing the need to source parts separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable coil construction:\u003c\/strong\u003e Coils use silicon steel cores, Japan-imported rubber, and varnished wire to extend service life compared with generic coils.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIridium plugs:\u003c\/strong\u003e SP479 spark plugs use an iridium electrode and engineered ceramic to improve starting, throttle response, and longevity over standard plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM cross references:\u003c\/strong\u003e Listed OE references (for example DG457, DG472, and DG508 equivalents) make it easier to verify compatibility with existing parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer support:\u003c\/strong\u003e Supplied by a parts maker with over ten years in the field and direct factory experience for after-sale inquiries.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis kit suits DIY mechanics and independent shops working on 5.4L Ford and Lincoln V8s that need a coordinated replacement of ignition coils and spark plugs. It is especially useful when the vehicle shows signs associated with aging ignition components such as rough idle, increased fuel use, or starting issues.\u003c\/p\u003e\u003cp\u003eOwners of vehicles outside the stated fit list, or those who prefer OEM-branded parts or individual OEM part numbers for each cylinder, should confirm fitment carefully using the OE references and may prefer to source single coils or plugs matched to dealer specifications instead.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGood value: a full set of coils and plugs simplifies large-mileage maintenance and reduces per-cylinder cost.\u003c\/li\u003e\n\u003cli\u003eEasy installation: customers report straightforward fit and straightforward replacement for most compatible models.\u003c\/li\u003e\n\u003cli\u003eImproved starting and throttle response from iridium plugs and updated coils.\u003c\/li\u003e\n\u003cli\u003eDetailed OE cross references help verify compatibility before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFitment is mixed for some specific model years, so buyers must double-check compatibility against the provided OE numbers and vehicle year ranges.\u003c\/li\u003e\n\u003cli\u003eA few customers reported concerns about long-term durability of individual coils compared with factory units.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit contents\u003c\/td\u003e\n\u003ctd\u003e10 ignition coils + 10 iridium spark plugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible engines\u003c\/td\u003e\n\u003ctd\u003e5.4L V8 Ford and Lincoln applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle fit range\u003c\/td\u003e\n\u003ctd\u003e1997-2014 models including E-150, E-250, F-150, F-250, F-350, Expedition, Excursion, Navigator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil OE references\u003c\/td\u003e\n\u003ctd\u003eDG457, DG508, DG472 and listed OE numbers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpark plug type\u003c\/td\u003e\n\u003ctd\u003eIridium electrode with engineered ceramic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBDFHYK (experienced auto parts maker)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe BDFHYK ignition coil and iridium spark plug kit is a practical value play for owners who want to replace an entire ignition system on 5.4L V8 Fords and Lincolns. When fitment is confirmed, it addresses common symptoms and delivers improved starting and response at a lower per-part cost than buying items individually. Confirm OE cross references before ordering and this kit is a sensible, cost-effective service solution.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this kit fit my 2005 F-150?\u003c\/strong\u003e\u003cbr\u003eCheck the detailed fit list and OE cross references shown in the product images and description to confirm compatibility for 2005 F-150 variants.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre the spark plugs iridium?\u003c\/strong\u003e\u003cbr\u003eYes, the SP479 plugs use an iridium electrode and engineered ceramic for longer life and quicker starts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShould I replace coils and plugs together?\u003c\/strong\u003e\u003cbr\u003eIf your vehicle has over 80,000 km or shows misfire, rough idle, or slower acceleration, replacing both coils and plugs together is recommended.\u003c\/p\u003e","brand":"BDFHYK","offers":[{"title":"Default Title","offer_id":48254997922011,"sku":"B0DRNPW24C","price":84.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/714iIDPO89L._AC_SL1500.jpg?v=1778285821","url":"https:\/\/gearmusthave.com\/products\/ignition-coil-pack-dg508-iridium-spark-plug-sp479-kit-reliable","provider":"GearMustHave","version":"1.0","type":"link"}