{"product_id":"ignition-coil-and-iridium-spark-plugs-for-jeep-liberty-2002-2008-3-7l","title":"Ignition Coil and Iridium Spark Plugs for Jeep Liberty (2002-2008) 3.7L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Service Kit for 2002-2008 Jeep Liberty\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Complete primary and secondary ignition overhaul kit engineered to eliminate misfires, stabilize idle fluctuations, and restore factory combustion efficiency across all six cylinders.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Liberty Secondary Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe PowerTech V6 engine bay operates under high thermal loads that degrade factory coil insulation and epoxy encapsulation over time. Thermal cycling causes micro-cracking in the coil housing, allowing dielectric breakdown, secondary voltage leakage, and internal shorting. Concurrently, factory copper or platinum plugs suffer from rapid electrode erosion and gap widening, increasing the required firing voltage and over-stressing the coil drivers, leading to erratic cylinder misfires (P0300–P0306) under towing and load transitions.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive kit upgrades the secondary ignition circuit with high-grade internal copper windings and reinforced dielectric housings designed to resist thermal degradation and internal breakdown. Paired with fine-wire iridium spark plugs featuring laser-welded tips, the kit delivers high-melting-point spark stability and reduced required voltage. Direct-fit blade terminals and factory-profile boots seal out moisture and oil vapor, ensuring optimal dwell response and consistent spark energy across the full RPM range.\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;\"\u003e2002-2008 Jeep Liberty\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 PowerTech V6 \/ KJ \u0026amp; KK\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;\"\u003e210 hp \/ 235 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;\"\u003eUF270, 56028138AF, C1231, E593C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2002-2007 Jeep Liberty (KJ Chassis) 3.7L V6 (Sport, Limited, Renegade)\u003c\/li\u003e\n  \u003cli\u003e2008 Jeep Liberty (KK Chassis) 3.7L V6 (Sport, Limited)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Jeep Off-Road Reliability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle the low-RPM torque demands of trail crawling, steep grade climbing, and towing, this ignition package delivers consistent high-voltage delivery in harsh, high-vibration off-road environments without voltage degradation.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50429731504376,"sku":"DS-EWGHA9LBB","price":81.95,"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-jeep-liberty-2002-2008-3-7l-1.png?v=1788451420","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-and-iridium-spark-plugs-for-jeep-liberty-2002-2008-3-7l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}