{"product_id":"ignition-coil-and-iridium-spark-plugs-for-ford-flex-2013-2015-3-5l","title":"Ignition Coil and Iridium Spark Plugs for Ford Flex (2013-2015) 3.5L","description":"\u003ch2\u003eDirect-Replacement Ignition Coil and Iridium Spark Plug Kit for 2013-2015 Ford Flex\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eComplete Ignition Refresh:\u003c\/strong\u003e Direct OEM-fit ignition coil and fine-wire iridium spark plug service kit engineered to eliminate misfires, restore primary spark energy, and optimize combustion efficiency across all six cylinders.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Flex Thermal Degradation and Voltage Leakage\u003c\/h3\u003e\n\u003cp\u003eFactory coil packs on the transverse Duratec 35 V6 suffer significant thermal degradation due to under-hood heat soaking, especially across the rear bank against the firewall. Over heat cycles, factory epoxy insulations micro-crack, allowing internal secondary voltage leakage, dielectric breakdown, and intermittent hesitation under high-load acceleration. Concurrently, standard nickel or worn factory electrodes experience gap erosion, forcing aging coils to operate at elevated primary amperage and triggering unburned hydrocarbon build-up.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis service pack upgrades the ignition loop with high-dielectric epoxy housing and precision-wound electrolytic copper secondaries for high spark energy output. Paired with ultra-fine wire iridium center-electrode spark plugs, the system requires lower strike voltage while maintaining a stable plasma kernel. The corrosion-resistant nickel-plated plug shells and high-durability boots resist ozone breakdown and secondary arching under continuous thermal cycling.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2013-2015 Ford Flex 3.5L V6\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eEngine \/ Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eDuratec 35 (Cyclone) \/ Ford D4 Platform\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eStock Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e287 hp \/ 254 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eUF646, DG549, BL3Z-12029-A, BL3Z-12029-B, BL3Z-12029-C, IC749, 5C1871\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2013 Ford Flex 3.5L V6 (SE, SEL, Limited)\u003c\/li\u003e\n  \u003cli\u003e2014 Ford Flex 3.5L V6 (SE, SEL, Limited)\u003c\/li\u003e\n  \u003cli\u003e2015 Ford Flex 3.5L V6 (SE, SEL, Limited)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Ford Utility Standard\u003c\/h3\u003e\n\u003cp\u003eDesigned to sustain consistent ignition performance during severe-duty daily hauling and cross-country towing, delivering smooth idle stability, instant throttle response, and complete burn consistency across all operating ranges.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50430341021944,"sku":"DS-E9YJKJIAW","price":109.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-and-iridium-spark-plugs-for-ford-flex-2013-2015-3-5l-1.jpg?v=1788455567","url":"https:\/\/performancechiptuning.com\/fr\/products\/ignition-coil-and-iridium-spark-plugs-for-ford-flex-2013-2015-3-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}