{"product_id":"ignition-coil-spark-plugs-for-ford-excursion-2000-2005-6-8l","title":"Ignition Coil + Spark Plugs for Ford Excursion (2000-2005) 6.8L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Ignition Coil and Spark Plug Kit for 2000-2005 Ford Excursion (U137)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Ignition Coil and Spark Plug Kit restores factory combustion efficiency and resolves secondary ignition misfires on the 2000-2005 Ford Excursion under heavy towing and high-load operating conditions.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Ford Excursion Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eDeep cylinder head wells and sustained thermal cycling in the heavy-duty \u003cstrong\u003eU137\u003c\/strong\u003e platform promote rapid dielectric breakdown of factory ignition boots. The 2-valve \u003cstrong\u003e6.8L Triton V10\u003c\/strong\u003e operates under intense engine bay thermal loads, hardening the OEM silicone sleeves and enabling secondary voltage to arc directly into the aluminum plug wells rather than jumping the plug gap. Concurrently, internal copper winding fatigue and thermal potting degradation cause inter-turn shorting in aging factory coils, leading to stumbling under acceleration, misfire trouble codes (P0300-P0310), and poor fuel economy under trailer-towing load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis full-service direct-fit replacement package restores complete spark energy delivery. Each coil-on-plug unit features high-dielectric epoxy vacuum potting and high-temperature silicone boots that resist thermal hardening and prevent spark blowout under load. Matched with heavy-duty NGK spark plugs engineered for stable flame kernel propagation, this kit maintains an uninterrupted 30,000+ volt secondary circuit. Built directly to interchange specifications for OEM part numbers \u003cstrong\u003eDG508\u003c\/strong\u003e and \u003cstrong\u003eFD503\u003c\/strong\u003e, the connector interfaces seat securely to the factory engine harness without requiring wire modifications or bracket alteration.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e10 x Direct-Fit Ignition Coils\u003c\/li\u003e\n  \u003cli\u003e10 x NGK Spark Plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2000-2005 Ford Excursion\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e6.8L Triton V10 \/ U137\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e310 hp \/ 425 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eFD503, FD503F, F7TU-12A366AB, F7TU-2A366BA, C566, F7TU12A366AB, GN10164, 1L2U12029AA, F7TZ-1029CC, 1L2U12A366, 250534733, SKIC001, C500, CFD503, 5C1412, COP9, 0221504704, 44688, 6736000, 8242, 1L2Z 12029-AA, 3W7Z 12029-AA, F7TZ 12029-CA, C1417, C1139, 1788222, 48688, 601000, DG508, DG-508, DG457, DG-457, DG472, DF-472, F523, F-523\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2000-2005 Ford Excursion 6.8L V10 (2-Valve SOHC Modular)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the U137 Excursion?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2000-2005 Ford Excursion equipped with the \u003cstrong\u003e6.8L Triton V10\u003c\/strong\u003e engine. It does not fit diesel models (7.3L or 6.0L Power Stroke) or 5.4L V8 applications requiring alternate boot angles.\u003c\/p\u003e\n\n\u003ch4\u003eAre spark plug wires required for this installation?\u003c\/h4\u003e\n\u003cp\u003eNo, this platform uses an independent Coil-on-Plug (COP) configuration with one dedicated coil and one plug per cylinder; spark plug wires are not utilized.\u003c\/p\u003e\n\n\u003ch3\u003eThe Ford Towing Standard\u003c\/h3\u003e\n\u003cp\u003eFor the full-size \u003cstrong\u003eU137\u003c\/strong\u003e platform hauling heavy payloads, balanced combustion across all 10 cylinders is critical. Renewing coils and spark plugs simultaneously guarantees balanced cylinder pressures, eliminates unburned hydrocarbon blow-by into catalytic converters, and preserves peak towing output under extreme loads.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67562431971576,"sku":"DS-EHQWQC3VI","price":115.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-spark-plugs-for-ford-excursion-2000-2005-6-8l-1.jpg?v=1790980918","url":"https:\/\/performancechiptuning.com\/de\/products\/ignition-coil-spark-plugs-for-ford-excursion-2000-2005-6-8l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}