{"product_id":"ignition-coil-and-iridium-spark-plugs-for-ford-f-150-2011-2015-3-5l","title":"Ignition Coil and Iridium Spark Plugs for Ford F-150 (2011-2015) 3.5L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Service Kit for 2011-2015 Ford F-150 3.5L\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eComplete Ignition Refresh:\u003c\/strong\u003e Replaces degraded factory ignition coils and worn plugs to eliminate high-load spark blowout, stabilize secondary voltage, and restore peak combustion efficiency across all six cylinders.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock F-150 Ignition Thermal Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe 3.5L twin-turbo and naturally aspirated platforms generate significant underhood thermal loads and high cylinder pressures. Over time, OEM coil insulation epoxy degrades, leading to micro-arcing, internal resistance spikes, and carbon tracking along the boot. Combined with widened spark plug gaps from electrode erosion, the ignition system struggles to deliver necessary ionization energy, resulting in low-RPM shudder, cold-start hesitation, and misfire codes under heavy boost or towing loads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis direct-fit service kit integrates high-conductivity electrolytic copper windings encased in reinforced, high-dielectric epoxy housings to completely seal against heat soak and moisture intrusion. Matched with fine-wire iridium spark plugs, the assembly lowers required firing voltage, provides exceptional thermal stability under sustained combustion pressure, and delivers immediate throttle response with consistent flame-front expansion.\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;\"\u003e2011-2015 Ford F-150\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;\"\u003e3.5L EcoBoost \/ Cyclone V6 \/ P415, P552\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;\"\u003e365 hp \/ 420 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\u003e\n\u003cstrong\u003eModel Years:\u003c\/strong\u003e 2011, 2012, 2013, 2014, 2015 Ford F-150\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Configuration:\u003c\/strong\u003e 3.5L V6 (EcoBoost Twin-Turbo \u0026amp; Ti-VCT NA)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrim Levels:\u003c\/strong\u003e XL, XLT, Lariat, King Ranch, Platinum, Limited, FX2, FX4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOE Interchange:\u003c\/strong\u003e UF646, UF-646, DG549, BL3Z-12029-A, BL3Z-12029-B, BL3Z-12029-C, IC749, 5C1871\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Ford Heavy-Duty Towing Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle severe duty cycles and aggressive payload demands, this ignition upgrade delivers robust spark reliability whether idling through sub-zero winter starts or pulling heavy trailers under high boost.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50430326931704,"sku":"DS-EU9ST8V8P","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-f-150-2011-2015-3-5l-1.jpg?v=1788455462","url":"https:\/\/performancechiptuning.com\/fr\/products\/ignition-coil-and-iridium-spark-plugs-for-ford-f-150-2011-2015-3-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}