{"product_id":"ignition-coil-iridium-spark-plugs-for-ford-freestar-2004-2005-3-9l-4-2l","title":"Ignition Coil + Iridium Spark Plugs for Ford Freestar (2004-2005) 3.9L 4.2L","description":"\u003ch2\u003eHigh-Dielectric Ignition Coil Pack and Iridium Spark Plug Kit for 2004-2005 Ford Freestar\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The ignition coil pack and iridium spark plug kit restores secondary voltage delivery and spark consistency on the 2004-2005 Ford Freestar to eliminate misfires, stabilize idle, and maximize combustion efficiency.\u003c\/p\u003e\u003ch3\u003eThe Stock Ford Freestar Ignition Breakdown\u003c\/h3\u003e\u003cp\u003eThe factory 6-tower coil pack on the \u003cstrong\u003eFord Essex V6\u003c\/strong\u003e platform routinely suffers from internal winding degradation and dielectric breakdown due to intense underhood thermal cycling. Over time, microscopic cracks in the OEM epoxy potting allow moisture intrusion and carbon tracking between towers, inducing secondary voltage drop-off under high load. Paired with aged copper or double-platinum plugs experiencing wide gap erosion, this degradation causes hard starts, intermittent P0300-P0306 misfire codes, catalytic converter fouling, and severe power loss under heavy passenger or towing loads.\u003c\/p\u003e\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\u003cp\u003eThis service kit replaces fatigued factory electronics with a reinforced ignition coil pack featuring high-dielectric vacuum-poured epoxy, high-purity copper windings, and impact-resistant thermoplastic housings to resist thermal fatigue. The included fine-wire \u003cstrong\u003eiridium spark plugs\u003c\/strong\u003e feature laser-welded tips with a 0.6mm diameter, significantly lowering the arc voltage requirement across high-combustion chamber pressures. The ultra-high melting point of iridium prevents electrode gap erosion and quenching, providing consistent flame kernel development, crisper throttle response, and reliable cold-start ignition across the entire RPM band.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; margin-bottom: 20px;\"\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;\"\u003e2004-2005 Ford Freestar\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;\"\u003e3.9L \/ 4.2L Essex V6 \/ \u003cstrong\u003eV229\u003c\/strong\u003e\n\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;\"\u003e193–201 hp \/ 240–263 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;\"\u003e\n\u003cstrong\u003e5F2Z12029AD\u003c\/strong\u003e, \u003cstrong\u003e1F2Z12029AC\u003c\/strong\u003e, \u003cstrong\u003eFD-498\u003c\/strong\u003e, 1F2118100, GY0718100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2004 Ford Freestar 3.9L Essex V6 (Base, SE)\u003c\/li\u003e\n\u003cli\u003e2004 Ford Freestar 4.2L Essex V6 (SES, SEL, Limited)\u003c\/li\u003e\n\u003cli\u003e2005 Ford Freestar 3.9L Essex V6 (Base, SE)\u003c\/li\u003e\n\u003cli\u003e2005 Ford Freestar 4.2L Essex V6 (SE, SEL, Limited)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDoes this fit the V229 Freestar?\u003c\/strong\u003e\u003cbr\u003eYes, this is a direct fit for the 2004-2005 Ford Freestar equipped with the \u003cstrong\u003e3.9L or 4.2L Essex V6\u003c\/strong\u003e engine.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre spark plug wires included with this ignition kit?\u003c\/strong\u003e\u003cbr\u003eNo, this kit includes one 6-tower ignition coil pack and six iridium spark plugs; secondary spark plug lead wires must be inspected and purchased separately.\u003c\/p\u003e\u003ch3\u003eThe Ford Heavy-Duty Standard\u003c\/h3\u003e\u003cp\u003eMinivans carry cargo and passenger weights comparable to light-duty haulers, requiring ignition stability under continuous powertrain strain. This heavy-duty coil pack and iridium plug combination delivers dependable secondary voltage discharge, preventing hesitation under load and maintaining engine reliability through demanding daily driving and highway towing.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50622878318840,"sku":"DS-E6M77CJ81","price":84.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-iridium-spark-plugs-for-ford-freestar-2004-2005-3-9l-4-2l-1.jpg?v=1790276359","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-iridium-spark-plugs-for-ford-freestar-2004-2005-3-9l-4-2l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}