{"product_id":"ignition-coil-and-iridium-spark-plugs-for-lexus-es330-rx330-2004-2006-3-3l","title":"Ignition Coil and Iridium Spark Plugs for Lexus ES330 RX330 (2004-2006) 3.3L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2004-2006 Lexus ES330, RX330\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Ignition Coil and Iridium Spark Plug Kit restores secondary ignition system energy and combustion stability on the 2004-2006 Lexus ES330 and RX330 to eliminate misfires and smooth engine idle.\u003c\/p\u003e\u003ch3\u003eThe Stock Lexus ES330, RX330 Thermal Breakdown \u0026amp; Arc Deterioration\u003c\/h3\u003e\u003cp\u003eThe transverse layout of the \u003cstrong\u003e3MZ-FE\u003c\/strong\u003e V6 creates severe thermal containment around the rear bank (Cylinders 1, 3, and 5) tucked against the firewall. Over sustained thermal cycling, the factory coil packs suffer dielectric breakdown in the internal epoxy insulation and secondary winding breakdown. Concurrently, factory copper or dual-ground ground electrodes experience spark erosion and gap growth under high resistance, leading to spark scatter, intermittent P0300-P0306 misfire trouble codes, elevated hydrocarbon emissions, and unburnt fuel entering the catalytic converter.\u003c\/p\u003e\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\u003cp\u003eThis comprehensive ignition service kit restores high-voltage delivery via six direct-mount pencil coils coupled with fine-wire iridium spark plugs. The ignition coils utilize high-dielectric silicone boots and heat-stabilized thermoplastic housings engineered to withstand persistent underhood radiant heat without thermal degradation. Internally, high-purity copper windings maintain consistent saturation and rapid discharge capability under load. The matching iridium spark plugs feature laser-welded 0.6mm fine-wire center electrodes paired with high-durability ground electrodes, minimizing voltage quenching and reducing firing voltage requirements across cold starts and wide-open throttle transitions.\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;\"\u003e2004-2006 Lexus ES330, RX330\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;\"\u003e\n\u003cstrong\u003e3MZ-FE\u003c\/strong\u003e \/ \u003cstrong\u003eMCV31\u003c\/strong\u003e, \u003cstrong\u003eMCU33\u003c\/strong\u003e, \u003cstrong\u003eMCU38\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;\"\u003e225-230 hp \/ 240-242 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\u003eUF430\u003c\/strong\u003e, \u003cstrong\u003eUF571\u003c\/strong\u003e, \u003cstrong\u003eUF592\u003c\/strong\u003e, \u003cstrong\u003e5C1695\u003c\/strong\u003e, \u003cstrong\u003e5C1476\u003c\/strong\u003e, \u003cstrong\u003eCUF2846\u003c\/strong\u003e, \u003cstrong\u003eGN10328\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2004-2006 Lexus ES330 Base 3.3L V6 (MCV31)\u003c\/li\u003e\n\u003cli\u003e2004-2006 Lexus RX330 Base 3.3L V6 FWD (MCU33)\u003c\/li\u003e\n\u003cli\u003e2004-2006 Lexus RX330 Base 3.3L V6 AWD (MCU38)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDoes this fit the MCV31 and MCU38 ES330, RX330?\u003c\/strong\u003e\u003cbr\u003eYes, this is a direct fit for the 2004-2006 Lexus ES330 and RX330 equipped with the \u003cstrong\u003e3MZ-FE\u003c\/strong\u003e 3.3L V6 engine.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre these spark plugs pre-gapped for the 3MZ-FE engine?\u003c\/strong\u003e\u003cbr\u003eYes, these iridium plugs come factory set to the OEM-specified 0.044-inch gap, requiring no mechanical adjustment prior to installation.\u003c\/p\u003e\u003ch3\u003eThe Lexus Engineering Standard\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003e3MZ-FE\u003c\/strong\u003e platform relies on precise, consistent ignition timing to deliver the quiet, vibration-free power band expected of a Lexus luxury chassis. Restoring your secondary ignition circuit with matched coils and high-efficiency iridium plugs eliminates rough idle vibrations and ensures clean emissions control compliance.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50603807506680,"sku":"DS-E7AHRM5EJ","price":118.95,"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-lexus-es330-rx330-2004-2006-3-3l-1.jpg?v=1790088494","url":"https:\/\/performancechiptuning.com\/fr\/products\/ignition-coil-and-iridium-spark-plugs-for-lexus-es330-rx330-2004-2006-3-3l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}