{"product_id":"marsram-fd508-8-pcs-ignition-coil-pack-for-ford-5-4l-4-6l-v8","title":"Marsram FD508 8-PCS Ignition Coil Pack for Ford 5.4L\/4.6L V8","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eMarsram FD508 ignition coil pack is designed for V8 engines, delivering a consistent spark across eight cylinders. The black straight boots and sturdy housing stand up to heat, vibration, and everyday driving, helping to support reliable ignition in trucks and SUVs.\u003c\/p\u003e\u003ch3\u003eFitment and model coverage\u003c\/h3\u003e\u003cp\u003eThis eight-coil set is intended for 5.4L V8 and 4.6L V8 configurations and covers a broad range of Ford, Lincoln, and Mercury models from 2004 to 2008. Common installations include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFord F-150 (2004–2008) 5.4L V8\u003c\/li\u003e\n\u003cli\u003eFord Expedition (2005–2008) 5.4L V8\u003c\/li\u003e\n\u003cli\u003eLincoln Navigator (2005–2008) 5.4L V8\u003c\/li\u003e\n\u003cli\u003eLincoln Mark LT (2006–2008) 5.4L V8\u003c\/li\u003e\n\u003cli\u003eFord F-350 Super Duty (2005–2008) 5.4L V8\u003c\/li\u003e\n\u003cli\u003eFord F-250 Super Duty (2005–2008) 5.4L V8\u003c\/li\u003e\n\u003cli\u003eFord Mustang (2005–2008) 5.4L V8\u003c\/li\u003e\n\u003cli\u003eFord Explorer (2006–2008) 4.6L V8\u003c\/li\u003e\n\u003cli\u003eMercury Mountaineer (2006–2008) 4.6L V8\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eImportant notes for a precise fit\u003c\/h3\u003e\u003cp\u003eImportant: This FD508 ignition coil fits V8 engines only (black straight boots exclusively). It is not compatible with V10 engines, brown or curved boots. Please verify your original coil’s appearance before ordering or reach out for fit confirmation.\u003c\/p\u003e\u003ch3\u003eWhat you get and build quality\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEight high-performance ignition coils designed to replace worn units in the listed engines\u003c\/li\u003e\n\u003cli\u003eDurable construction built to withstand heat, vibration, and road conditions\u003c\/li\u003e\n\u003cli\u003eReplaces multiple part numbers including FD508, C1659, C1541, and DG511, among others\u003c\/li\u003e\n\u003cli\u003e1-year warranty backed by quality testing and support\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReal-world use and next steps\u003c\/h3\u003e\u003cp\u003eIn everyday driving, a fresh FD508 set can help maintain a steady spark, support smooth idle, and contribute to reliable starting in V8-powered trucks and SUVs. On longer trips or when towing, consistent ignition can align with steady performance. Results vary by vehicle, but this coil pack offers a straightforward upgrade path for compatible models.\u003c\/p\u003e\u003cp\u003eBefore you buy, use the Parts Finder or contact us to confirm fitment against your exact trim and engine configuration. When installed correctly, you can expect a clean, factory-style appearance and plug-and-play replacement that aligns with OEM electrical standards.\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: Which vehicles and engines are compatible with Marsram FD508?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits 2004–2008 Ford F-150, Expedition, Navigator, Mustang 5.4L V8; plus 2006–2008 Explorer 4.6L V8 and Mercury Mountaineer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is there a warranty on the Marsram FD508 ignition coil pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, a 1-year warranty is included; terms apply; check fitment with the Parts Finder.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Marsram","offers":[{"title":"Default Title","offer_id":42492732506197,"sku":"B09W2D71DZ","price":74.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/marsram-ignition-coil-fd508-side-view.jpg?v=1778603513","url":"https:\/\/plentytorque.co.uk\/products\/marsram-fd508-8-pcs-ignition-coil-pack-for-ford-5-4l-4-6l-v8","provider":"PlentyTorque","version":"1.0","type":"link"}