{"product_id":"mas-8-piece-ignition-coils-with-brown-boots-dg521-sp509-spark-plugs-for-ford-4-6l-5-4l","title":"MAS 8-Piece Ignition Coils with Brown Boots DG521 + SP509 Spark Plugs for Ford 4.6L\/5.4L","description":"\u003cdiv\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eIntroducing the MAS 8-piece ignition coil and spark plug kit, built for Ford 4.6L and 5.4L V8 engines. It pairs eight ignition coils with brown boots (DG521) with eight Motorcraft SP-509 spark plugs for a complete ignition refresh that can support reliable starts and steady power delivery.\u003c\/p\u003e\n\u003ch3\u003eImportant compatibility note\u003c\/h3\u003e\n\u003cp\u003eBoot color can vary by production year. Some Ford ranges used brown boots while others used black boots. Check your original coil boot color before ordering to ensure the correct match. If your OEM boot is brown, this kit is the right choice; if it is black, you may need a DG511 variant.\u003c\/p\u003e\n\u003ch3\u003eWhat you get\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEight MAS ignition coils with brown boots DG521 ensure uniform fit and energy delivery\u003c\/li\u003e\n\u003cli\u003eEight SP-509 Motorcraft spark plugs included for a paired replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features and benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirect replacement designed for quick installation with high energy output\u003c\/li\u003e\n\u003cli\u003eHeat-resistant boot material helps withstand engine temperatures for longer life\u003c\/li\u003e\n\u003cli\u003eEngineered for Ford vehicles with 4.6L and 5.4L V8 engines for reliable ignition\u003c\/li\u003e\n\u003cli\u003eOne year limited warranty adds peace of mind\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\n\u003cp\u003eCompatible with a broad range of 2008-2014 Ford models and select Lincoln and Mercury vehicles, including Expedition, F-Series, Explorer, Mustang, Navigator, Mark LT, and Mountaineer.\u003c\/p\u003e\n\u003ch3\u003ePart numbers and compatibility\u003c\/h3\u003e\n\u003cp\u003eThe kit aligns with multiple OEM references such as C1659, DG521, SP509, and 5C1716, helping confirm cross-compatibility during checkout.\u003c\/p\u003e\n\u003ch3\u003eInstallation tips\u003c\/h3\u003e\n\u003cp\u003eDesigned for a straightforward replacement, the kit supports typical DIY installation with common hand tools and should restore a reliable ignition sequence in everyday driving conditions.\u003c\/p\u003e\n\u003c\/div\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 MAS set fit my Ford vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits many 2008-2014 Ford V8 models with 4.6L\/5.4L engines; verify boot color and OEM part numbers for best match.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What’s included in the MAS 8-piece set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Eight ignition coils with brown boots DG521 plus eight SP509 Motorcraft spark plugs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":42464417939541,"sku":"B07BX7L9SF","price":208.73,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/mas-ignition-coils-brown-boots-dg521-pack.jpg?v=1777980010","url":"https:\/\/plentytorque.co.uk\/products\/mas-8-piece-ignition-coils-with-brown-boots-dg521-sp509-spark-plugs-for-ford-4-6l-5-4l","provider":"PlentyTorque","version":"1.0","type":"link"}