{"product_id":"standard-fd503tk8-direct-ignition-coil-kit","title":"Standard FD503TK8 Direct Ignition Coil Kit","description":"\u003ch2\u003eDirect Ignition Coil Kit for Ford V8 Applications\u003c\/h2\u003e\u003cp\u003eThe Standard FD503TK8 direct ignition coil kit is built for Ford, Lincoln, and Mercury vehicles that use coil-on-plug ignition. It is a direct replacement option for worn coils that can cause misfires, rough running, and hard starts. This kit is a practical choice for high-mileage Ford F-150, Expedition, Mustang, and E-Series applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect ignition coil kit for coil-on-plug systems\u003c\/li\u003e\n\u003cli\u003eBlack housing with female plug-in connector and male blade terminals\u003c\/li\u003e\n\u003cli\u003e12-volt electrical design\u003c\/li\u003e\n\u003cli\u003e100% pure copper windings in the primary and secondary bobbins\u003c\/li\u003e\n\u003cli\u003eEnamel magnet wire for high temperature resistance\u003c\/li\u003e\n\u003cli\u003eFull E-Lam silicon steel core for improved durability\u003c\/li\u003e\n\u003cli\u003eSolid brass high-voltage terminals to resist corrosion\u003c\/li\u003e\n\u003cli\u003eBlended coil material formulated for heat dissipation and service life\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eStandard FD503TK8 is engineered as a direct ignition coil kit for vehicles that need a complete ignition coil refresh. The coil design uses copper windings in both the primary and secondary circuits to improve internal durability and reduce the risk of dielectric breakdown. A silicon steel E-Lam core and brass high-voltage terminals help protect against corrosion while supporting consistent output voltage. This part number, FD503TK8, is a fitment-focused replacement for many Ford truck, van, SUV, and performance applications, including Ford F-150, Ford Expedition, and Ford Mustang models.\u003c\/p\u003e\u003cp\u003eThis part cross-references Blue Streak FD503K8 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine misfire caused by a weak or failed ignition coil\u003c\/li\u003e\n\u003cli\u003eRough idle and hesitation under load\u003c\/li\u003e\n\u003cli\u003eHard starting related to inconsistent spark output\u003c\/li\u003e\n\u003cli\u003eLoss of power during acceleration\u003c\/li\u003e\n\u003cli\u003eCheck engine light concerns tied to ignition coil failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify connector style, terminal layout, and engine application before installation. This coil uses a female plug-in connector with two male blade terminals and is intended for 12-volt systems. For vehicles with multiple aging coils, replacing the full set helps restore balanced ignition performance across the engine. Confirm fitment for your exact year, make, and model before ordering FD503TK8.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eStandard builds this ignition coil with copper windings, enamel magnet wire, a silicon steel core, and brass terminals to support durability and stable electrical performance in demanding underhood conditions.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 1999-2016 Ford E-350 Super Duty, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2003-2014 Ford E-150, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2003-2014 Ford E-250, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2010-2012 Ford Econoline Van, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1998-2011 Ford Crown Victoria, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1998-2011 Lincoln Town Car, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1998-2011 Mercury Grand Marquis, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1997-2010 Ford F-150, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2007-2008 Ford E-150 Econoline, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1997-2002 Ford E-150 Econoline, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2007-2008 Ford E-350 Econoline, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1997-2000 Ford E-350 Econoline, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2000-2006 Ford Econoline, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2003-2005 Ford E-150 Club Wagon, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2003-2005 Ford E-350 Club Wagon, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2000-2005 Ford Excursion, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2002-2005 Ford Explorer, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2002-2005 Mercury Mountaineer, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1997-2004 Ford Expedition, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2004 Ford F-150 Heritage, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2003-2004 Ford F-250, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1997-2001 Ford F-250, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1999-2004 Ford F-250 Super Duty, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1999-2004 Ford F-350, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1999-2004 Ford F-350 Super Duty, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1998-2004 Ford Grand Marquis, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1999-2004 Ford Mustang, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1997-2002 Ford E-150 Econoline Club Wagon, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1997-2002 Ford E-250 Econoline, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1997-2002 Ford E-350 Econoline Club Wagon, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2002 Ford F-250, N\/A, Multi-Pack\u003c\/li\u003e\n\u003cli\u003eFits 1998-1999 Lincoln Navigator, N\/A\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Standard","offers":[{"title":"Default Title","offer_id":52865134985397,"sku":"FBFS-FD503TK8","price":118.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/TT_FD503TK8_Fro.jpg?v=1785048603","url":"https:\/\/www.partcatalog.com\/products\/standard-fd503tk8-direct-ignition-coil-kit","provider":"PartCatalog","version":"1.0","type":"link"}