{"product_id":"ignition-coil-iridium-spark-plugs-for-land-rover-range-rover-2003-2005-4-4l-v8","title":"Ignition Coil \u0026 Iridium Spark Plugs for Land Rover Range Rover (2003-2005) 4.4L V8","description":"\u003ch2\u003eHigh-Energy Ignition Coil \u0026amp; Iridium Spark Plugs for 2003-2005 Land Rover Range Rover\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect-fit replacement ignition coil packs and iridium spark plugs designed to resolve misfires and restore factory combustion efficiency in the M62-powered L322.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Range Rover Ignition Weakness\u003c\/h3\u003e\n\u003cp\u003eThe L322 Range Rover utilizing the BMW-sourced M62TUB44 4.4L V8 is notorious for ignition system degradation over time. The factory coil packs are subjected to extreme thermal cycling within the tight confines of the V8 engine bay, leading to micro-cracks in the external epoxy potting. This thermal degradation compromises the internal secondary windings, causing voltage leaks, erratic spark timing, and primary circuit malfunctions. Concurrently, worn standard spark plugs increase the resistance gap, forcing the already stressed ignition coils to output higher voltage to bridge the gap. This accelerates coil burnout, resulting in a rough idle, noticeable hesitation under load, and persistent P0300-series misfire codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive 8-piece coil pack and iridium spark plug kit directly addresses the thermal and electrical shortcomings of the OEM M62 ignition system. The replacement ignition coils feature upgraded high-temperature epoxy potting and reinforced primary\/secondary copper windings, significantly improving heat dissipation and voltage retention under heavy load. Paired with precision iridium-tipped spark plugs, which offer exceptional durability and a highly concentrated electrical arc, the system systematically lowers the required firing voltage. This reduces the thermal load on the coils while ensuring complete combustion in every cylinder. The result is a stabilized idle, restored throttle response, and a robust defense against heat-soaked electrical failures.\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;\"\u003e2003-2005 Land Rover Range Rover\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;\"\u003eM62TUB44 4.4L V8 \/ L322\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;\"\u003e282 hp \/ 325 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;\"\u003eUF300, UF354, 62B56, IC417, IC483, 5C1696, 12131703228, 12137599219, 12131703227, 12131404309, 12131703825, 12131748017, 12131748018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2003 Land Rover Range Rover 4.4L V8\u003c\/li\u003e\n  \u003cli\u003e2004 Land Rover Range Rover 4.4L V8\u003c\/li\u003e\n  \u003cli\u003e2005 Land Rover Range Rover 4.4L V8\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Land Rover Reliability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet the stringent electrical demands of the European L322 chassis, this ignition overhaul kit ensures smooth, CEL-free operation and precise engine timing, restoring the refined drivability and power expected from your Range Rover.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50182590529784,"sku":"DS-EC51H2SGK","price":159.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-iridium-spark-plugs-for-land-rover-range-rover-2003-2005-4-4l-v8-1.jpg?v=1787086448","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-iridium-spark-plugs-for-land-rover-range-rover-2003-2005-4-4l-v8","provider":"Performance Chip Tuning","version":"1.0","type":"link"}