{"product_id":"ignition-coil-and-iridium-spark-plugs-for-land-rover-defender-90-2021-2023-2-0l","title":"Ignition Coil and Iridium Spark Plugs for Land Rover Defender 90 (2021-2023) 2.0L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2021-2023 Land Rover Defender 90\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The ignition coil and iridium spark plug kit replaces degraded factory ignition components on the 2021-2023 Defender 90 to restore precise combustion timing, eliminate cylinder misfires, and maintain peak turbo boost efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Land Rover Defender 90 High-Duty Cycle Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe 2.0-liter turbocharged \u003cstrong\u003eIngenium AJ200\u003c\/strong\u003e engine in the \u003cstrong\u003eL663\u003c\/strong\u003e Defender operates under high thermal load and cylinder pressures to generate nearly 150 horsepower per liter. Over sustained off-road and highway cycles, the factory pencil coils suffer internal epoxy breakdown and primary winding degradation due to severe under-hood heat soak. Simultaneously, factory spark plug electrodes erode under prolonged boost pressure, causing spark gap widening. This degradation leads to high-RPM spark blowout, rough idle, poor cold-start combustion, and intermittent diagnostic trouble codes such as P0300 through P0304.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis replacement kit provides four precision-wound coil-on-plug pencil coils and four fine-wire iridium spark plugs designed to exceed factory dielectric resistance. The ignition coils feature high-grade magnetic core laminations and vacuum-potted epoxy insulation to resist thermal cracking and voltage leakage under extreme duty. Paired with high-melting-point iridium-tipped center electrodes and platinum ground pads, this kit ensures a concentrated, stable arc across the exact factory gap under forced induction. Restoring clean spark energy stabilizes idle fuel trim, preserves fuel efficiency, and prevents secondary catalytic converter damage.\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; 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;\"\u003e2021-2023 Land Rover Defender 90\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;\"\u003e2.0L Turbocharged Ingenium AJ200 \/ L663\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;\"\u003e296 hp \/ 295 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;\"\u003e5C2295, UF854, KIN135239TOP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2021 Land Rover Defender 90 Base \/ S \/ First Edition (2.0L I4 Turbo Petrol)\u003c\/li\u003e\n  \u003cli\u003e2022 Land Rover Defender 90 Base \/ S (2.0L I4 Turbo Petrol)\u003c\/li\u003e\n  \u003cli\u003e2023 Land Rover Defender 90 S (2.0L I4 Turbo Petrol)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the L663 Defender 90?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 2021-2023 Land Rover Defender 90 equipped with the Ingenium AJ200 2.0L turbo engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the iridium spark plugs pre-gapped for forced-induction operation?\u003c\/strong\u003e\u003cbr\u003e Yes, the plugs are factory-gapped to OEM specification, though verifying gap dimensions prior to torquing is standard shop practice.\u003c\/p\u003e\n\n\u003ch3\u003eThe Land Rover Precision Standard\u003c\/h3\u003e\n\u003cp\u003eModern European direct-injected powertrains demand strict primary and secondary voltage tolerances to operate without triggering sensitive knock detection or misfire-related CEL faults. This ignition package adheres strictly to OEM impedance parameters, ensuring uninterrupted engine reliability whether navigating rugged trail ascents or cruising at sustained highway speeds.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50603727880440,"sku":"DS-E82SGG0AN","price":99.95,"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-land-rover-defender-90-2021-2023-2-0l-1.jpg?v=1790088077","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-and-iridium-spark-plugs-for-land-rover-defender-90-2021-2023-2-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}