{"product_id":"ultramindz-ignition-coil-spark-plug-8-pack-for-ford-5-4l-98-03-f-150-98-04-expedition-dg508-sp479-full-bank-kit","title":"ultramindz Ignition Coil \u0026 Spark Plug 8-Pack for Ford 5.4L (98-03 F-150, 98-04 Expedition) — DG508 + SP479 Full-Bank Kit","description":"\u003cstrong\u003eComplete 8-pack replacement: eight ultramindz ignition coil packs (DG508 fitment) plus eight SP479 spark plugs designed for compatible Ford 5.4L V8 and select 4.6L engines.\u003c\/strong\u003e\n\n\u003cp\u003eThis all-in-one kit supplies the ignition coils and spark plugs many Ford owners need when restoring reliable spark delivery on older F-series trucks, SUVs and vans. The set is built to match factory-style fitment and electrical connections for specified model years, making it a practical direct-replacement option when symptoms point to worn coils or fouled plugs.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Ford, Lincoln and other vehicles will this kit fit?\u003c\/h3\u003e\n\u003cp\u003eThis kit targets vehicles equipped with the 5.4L V8 across specific years and select 4.6L applications. It covers many Ford F-150, F-Series Super Duty, Expedition, Excursion, E-Series vans and the Lincoln Navigator within the listed ranges. Note a key exception for newer F-150s.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eF-150 5.4L V8: 1998–2003 and F-150 Heritage 2004 (NOT for 2004+ F-150s using DG511 coils)\u003c\/li\u003e\n  \u003cli\u003eExpedition 5.4L V8: 1998–2004; Excursion 2000–2005\u003c\/li\u003e\n  \u003cli\u003eF-250\/F-350 (5.4L): roughly 1998–2004 range (Super Duty coverage depends on year)\u003c\/li\u003e\n  \u003cli\u003eE-Series (E150\/E250\/E350\/E450) with 5.4L: coverage varies by year as listed in product details\u003c\/li\u003e\n  \u003cli\u003eLincoln Navigator 5.4L: 1998–2000; VPG MV-1 4.6L: 2011–2012\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these parts match the original equipment (OEM) specs?\u003c\/h3\u003e\n\u003cp\u003eThe ignition coils in this kit correspond to OEM reference numbers commonly fitted by Ford for the covered years, and the spark plugs match recommended spark plug references. That alignment helps ensure correct connector orientation, coil resistance characteristics and spark gap compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCoil cross-reference: DG508 and related Ford OEM part numbers listed in the product details\u003c\/li\u003e\n  \u003cli\u003eSpark plug reference: SP479 \/ AGSF-22W-MX for compatible heat range and gap\u003c\/li\u003e\n  \u003cli\u003eEight coils and eight plugs included for a full-banke replacement\u003c\/li\u003e\n  \u003cli\u003eDesigned for plug-and-play replacement where vehicle wiring harness and mounting match OEM\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat symptoms indicate a coil or spark plug replacement is needed?\u003c\/h3\u003e\n\u003cp\u003eCommon signs include rough idle, misfires on one or more cylinders, reduced throttle response, or a persistent check engine light with misfire codes. Replacing both coils and plugs together is often recommended to restore balanced ignition performance across all cylinders.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIntermittent or constant engine misfire codes (P0300–P0308 ranges)\u003c\/li\u003e\n  \u003cli\u003eRough idle, hesitation during acceleration or loss of power\u003c\/li\u003e\n  \u003cli\u003eHard starting or poor fuel economy tied to ignition issues\u003c\/li\u003e\n  \u003cli\u003eVisible wear, cracking or arcing on old coil boots and fouled spark plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre there installation notes or compatibility cautions I should know?\u003c\/h3\u003e\n\u003cp\u003eInstallation requires basic mechanical skill and appropriate tools; a qualified technician is recommended to avoid damage. Confirm your vehicle year, engine size and whether your F-150 uses DG511 coils (2004+ 5.4L F-150) before purchasing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNot compatible with 2004+ F-150 5.4L that use DG511 coil packs\u003c\/li\u003e\n  \u003cli\u003eCheck part cross-references printed in the product details to verify fitment\u003c\/li\u003e\n  \u003cli\u003eProfessional installation advised to ensure torque specs and electrical connections are correct\u003c\/li\u003e\n  \u003cli\u003eKeep original parts until new components are verified to work in-vehicle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This ultramindz ignition coil and spark plug kit is aimed at owners and mechanics working on Ford 5.4L V8 engines from the late 1990s through mid-2000s who need a full eight-cylinder ignition refresh. It’s also suitable for fleet maintenance shops and DIYers with experience in engine diagnostics who want a complete, OEM-referenced replacement set for compatible F-series trucks, Expeditions, E-Series vans, Excursions, Lincoln Navigators and select 4.6L MV-1 applications.\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 2004 Ford F-150 5.4L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. 2004+ F-150 5.4L models use DG511 coils; this kit is for DG508-compatible years only.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the package include all parts needed for an eight-cylinder replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit contains eight ignition coil packs (DG508 fit) and eight SP479 spark plugs for a full-bank swap.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ultramindz","offers":[{"title":"Default Title","offer_id":48081123967134,"sku":"B0D7C5L2LL","price":100.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ultramindz-front-packaging.jpg?v=1785796832","url":"https:\/\/northtrailauto.ca\/products\/ultramindz-ignition-coil-spark-plug-8-pack-for-ford-5-4l-98-03-f-150-98-04-expedition-dg508-sp479-full-bank-kit","provider":"North Trail Auto","version":"1.0","type":"link"}