{"product_id":"ignition-coil-and-iridium-spark-plugs-for-lincoln-mkx-2011-2015-3-7l","title":"Ignition Coil and Iridium Spark Plugs for Lincoln MKX (2011-2015) 3.7L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Service Kit for 2011-2015 Lincoln MKX\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePrimary Function:\u003c\/strong\u003e Restores factory secondary ignition performance by replacing worn coil packs and degraded spark plugs to eliminate misfires, rough idle, and unburned fuel conditions under load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock MKX Cyclone Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe 3.7L Duratec 37 V6 engine utilizes high under-hood packaging density within the CD3 chassis, exposing the factory coil-on-plug (COP) assemblies to extreme thermal cycling. Over time, heat soak degrades the internal epoxy encapsulation and causes micro-cracking in the primary and secondary copper windings. Simultaneously, factory spark plug electrode gaps expand due to electrical erosion, increasing the required firing voltage. This compounded secondary resistance causes spark blow-out, catalytic converter-damaging misfires (P0300–P0306), and sluggish throttle response under heavy engine load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis direct-replacement service kit provides six precision-wound coil packs paired with six fine-wire iridium spark plugs. The ignition coils feature high-conductivity internal copper windings and durable dielectric housings that resist thermal degradation and electrical leakage. The companion iridium spark plugs feature a laser-welded center electrode that requires lower strike voltage while resisting carbon fouling and gap erosion, ensuring consistent combustion propagation and stable idle characteristics.\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 Lincoln MKX\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;\"\u003e3.7L Cyclone (Duratec 37) V6 \/ U388 (CD3)\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;\"\u003e305 hp \/ 280 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number \/ Interchange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eUF553, DG520, CY0118100B, CY01-18-100A, 7T4Z12029E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2011 Lincoln MKX Base 3.7L V6 Gas (Chassis: U388)\u003c\/li\u003e\n  \u003cli\u003e2012 Lincoln MKX Base 3.7L V6 Gas (Chassis: U388)\u003c\/li\u003e\n  \u003cli\u003e2013 Lincoln MKX Base 3.7L V6 Gas (Chassis: U388)\u003c\/li\u003e\n  \u003cli\u003e2014 Lincoln MKX Base 3.7L V6 Gas (Chassis: U388)\u003c\/li\u003e\n  \u003cli\u003e2015 Lincoln MKX Base 3.7L V6 Gas (Chassis: U388)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Lincoln Reliability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet rigorous OEM secondary ignition tolerances, this kit ensures dependable cold starts, smooth power delivery, and CEL-free operation under demanding towing and luxury commuting conditions.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50447729721592,"sku":"DS-EG0EUHQYE","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-lincoln-mkx-2011-2015-3-7l-1.jpg?v=1788622332","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-and-iridium-spark-plugs-for-lincoln-mkx-2011-2015-3-7l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}