{"product_id":"ultramindz-ignition-coil-pack-spark-plug-kit-for-ford-5-4l-v8-2005-2008-set-of-8-direct-fit-replacement","title":"ultramindz Ignition Coil Pack \u0026 Spark Plug Kit for Ford 5.4L V8 (2005-2008) — Set of 8, Direct-Fit Replacement","description":"\u003cp\u003e\u003cstrong\u003eComplete set of eight ultramindz ignition coil packs and spark plugs engineered to replace faulty coils and plugs on Ford\/Lincoln 5.4L V8 engines from model years 2005–2008.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your 5.4L F‑Series, Expedition, Navigator or Mark LT is showing misfires, rough idle, or reduced throttle response, a matched coil‑and‑plug replacement can restore consistent spark delivery across all cylinders. This package includes eight ignition coils and the corresponding spark plugs sized for the 5.4L Ford Modular V8, designed as direct-fit replacements for common OE references so installation integrates with factory ignition towers and wiring.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engine years does this kit fit?\u003c\/h3\u003e\n\u003cp\u003eThis ultramindz kit covers a range of Ford and Lincoln models that used the 5.4L V8 between 2005 and 2008. It fits both light-duty trucks and full‑size SUVs within those model years, replacing the original coil packs and matched spark plugs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFord F‑150 5.4L V8 (2005–2007; fits before 12\/2007 production)\u003c\/li\u003e\n  \u003cli\u003eFord Expedition 5.4L V8 (2005–2008)\u003c\/li\u003e\n  \u003cli\u003eFord F‑250\/F‑350 Super Duty 5.4L V8 (2005–2008)\u003c\/li\u003e\n  \u003cli\u003eLincoln Navigator 5.4L V8 (2005–2008) and Mark LT 2006–2008\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I confirm this kit matches my existing coils?\u003c\/h3\u003e\n\u003cp\u003eBefore purchase, visually compare your current coils and boots to the photos and part numbers. Pay special attention to the coil boot color and OE part references to ensure fitment and connector compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck coil boot color — this kit fits vehicles with black boots; not compatible with brown‑boot coils.\u003c\/li\u003e\n  \u003cli\u003eMatch OE part numbers: DG511, UF537, DG‑511, FD508, 3L3Z12029BA and equivalents.\u003c\/li\u003e\n  \u003cli\u003eCompare spark plug references: SP546 \/ SP‑546 \/ 3L3E12405KD, 7C3E12405AB.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and performance?\u003c\/h3\u003e\n\u003cp\u003eThe kit is designed for direct replacement of worn coils and plugs so a qualified technician can complete the job using standard tools. Once installed, the vehicle should run with smoother idle and improved ignition consistency when faults were coil\/plug related.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProfessional installation recommended to avoid electrical or engine damage.\u003c\/li\u003e\n  \u003cli\u003eFits into existing ignition towers and connects to factory wiring harnesses.\u003c\/li\u003e\n  \u003cli\u003eReplaces all eight cylinders at once for uniform performance and diagnostics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich OE issues does this set address?\u003c\/h3\u003e\n\u003cp\u003eThis replacement set targets common ignition failure modes associated with age, heat cycling, and coil\/plug wear. It helps eliminate intermittent misfires and reduces the need to chase cylinder-specific trouble codes when root cause is degraded ignition components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eResolves coil‑related misfires and inconsistent spark delivery.\u003c\/li\u003e\n  \u003cli\u003eReplaces worn spark plugs that can cause poor combustion or rough idle.\u003c\/li\u003e\n  \u003cli\u003eStandardized parts reduce diagnostic complexity by replacing all ignition elements at once.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This ultramindz ignition coil pack and spark plug set is intended for owners and mechanics servicing Ford and Lincoln models with the 5.4L V8 from 2005–2008 who need a full, matched replacement. It’s ideal for fleet maintenance, DIYers with mechanical experience, and professional shops replacing coils and plugs together. Note: Always have a qualified mechanic install ignition components to prevent installation errors and ensure safe, reliable operation.\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: Does this kit fit 2008 models with black coil boots?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — this set fits 2008 Ford\/Lincoln 5.4L engines that have black coil boots; it is not compatible with brown-boot coils.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these coils direct OE replacements?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the coils and plugs are designed to replace listed OE references (DG511, UF537, 3L3Z12029BA, SP546) for direct fitment.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ultramindz","offers":[{"title":"Default Title","offer_id":48081395843230,"sku":"B0DL9YH7P2","price":115.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ultramindz-front-packaging-view.jpg?v=1785802735","url":"https:\/\/northtrailauto.ca\/products\/ultramindz-ignition-coil-pack-spark-plug-kit-for-ford-5-4l-v8-2005-2008-set-of-8-direct-fit-replacement","provider":"North Trail Auto","version":"1.0","type":"link"}