{"product_id":"ignition-coil-and-iridium-spark-plugs-for-chevrolet-tracker-1999-2004-2-0l","title":"Ignition Coil and Iridium Spark Plugs for Chevrolet Tracker (1999-2004) 2.0L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 1999-2004 Chevrolet Tracker\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Restores factory secondary ignition output and eliminates cylinder misfires across the operating rev range on the 2.0L 4-cylinder engine.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Tracker Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eUnder repeated thermal cycling within the compact cylinder head, factory coil boots suffer dielectric breakdown and micro-fissuring. This insulation degradation permits high-voltage spark energy to arc directly to the plug tube walls rather than across the electrode gap. Simultaneously, aged standard spark plugs experience electrode erosion, raising the required breakdown voltage. This elevated electrical load overheats the stock primary and secondary copper windings, causing intermittent ignition dropouts, hesitation under load, and erratic idle.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis refresh package replaces degraded components with four upgraded coil-on-plug units featuring high-purity copper windings, high-dielectric epoxy potting, and reinforced silicone boots to isolate high voltage. Paired with four fine-wire iridium spark plugs, the system requires significantly lower ionization voltage to initiate a stable flame kernel. The durable iridium center electrode resists spark erosion and fouling, providing stable dwell timing, reduced electrical strain on the coils, and reliable combustion under heavy engine load.\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;\"\u003e1999-2004 Chevrolet Tracker (2.0L L4)\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;\"\u003eJ20A \/ SQ420\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;\"\u003e127 hp \/ 134 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;\"\u003eUF237, UF-237, E525A, 5C1287, 178-8258, E727, 52-1585, IC138\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1999 Chevrolet Tracker Base \/ LSi 2.0L L4\u003c\/li\u003e\n  \u003cli\u003e2000 Chevrolet Tracker Base \/ LSi 2.0L L4\u003c\/li\u003e\n  \u003cli\u003e2001 Chevrolet Tracker Base \/ LT \/ ZR2 2.0L L4\u003c\/li\u003e\n  \u003cli\u003e2002 Chevrolet Tracker Base \/ LT \/ ZR2 2.0L L4\u003c\/li\u003e\n  \u003cli\u003e2003 Chevrolet Tracker Base \/ LT \/ ZR2 2.0L L4\u003c\/li\u003e\n  \u003cli\u003e2004 Chevrolet Tracker Base \/ LT \/ ZR2 2.0L L4\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Chevrolet Reliability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle the vibration and thermal demands of both highway commuting and off-pavement trail use, this kit ensures steady secondary voltage delivery, clean burn characteristics, and long-term ignition reliability for your utility platform.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50448512123128,"sku":"DS-ETBRJDPJG","price":106.95,"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-chevrolet-tracker-1999-2004-2-0l-1.jpg?v=1788648528","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-and-iridium-spark-plugs-for-chevrolet-tracker-1999-2004-2-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}