{"product_id":"ignition-coil-and-iridium-spark-plugs-for-oldsmobile-alero-2002-2004-2-2l","title":"Ignition Coil and Iridium Spark Plugs for Oldsmobile Alero (2002-2004) 2.2L","description":"\u003ch2\u003eDirect-Fit Ignition Coil Rail and Iridium Spark Plug Kit for 2002-2004 Oldsmobile Alero\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Ignition Coil and Iridium Spark Plug Kit replaces the degraded factory cassette and worn plugs on the 2002-2004 Oldsmobile Alero to eliminate misfires, restore lost combustion efficiency, and smooth out erratic idle.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Oldsmobile Alero Coil Pack Deterioration\u003c\/h3\u003e\n\u003cp\u003eOn the \u003cstrong\u003eGM N-body\u003c\/strong\u003e platform equipped with the \u003cstrong\u003e2.2L L61 Ecotec\u003c\/strong\u003e, the unified ignition coil rail sits directly atop the cam cover, exposing it to relentless radiant cylinder head heat. Over time, extreme thermal cycling degrades the internal potting epoxy and hardens the integrated boots, causing micro-fractures in the casing. This leads to secondary dielectric breakdown, current leakage, and severe carbon tracking. Combined with worn factory spark plugs widening the electrode gap, the factory ignition cassette draws excessive primary amperage, triggering recurring P0300 multi-cylinder misfire codes, hesitations under load, and unburned fuel entering the catalytic converter.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive ignition service kit resolves electrical leakage by pairing a reinforced direct-fit coil rail cassette with high-efficiency fine-wire iridium spark plugs. The replacement rail is engineered with high-dielectric thermal epoxy and optimized copper-wound secondary bobbins to resist heat-induced insulation breakdown under severe engine-bay temperatures. Paired with laser-welded iridium spark plugs, the system requires significantly lower ionization voltage to jump the gap. This reduces thermal stress across the ignition driver circuits, prevents flame kernel quenching, and delivers stable high-voltage output for complete flame-front propagation across the combustion chamber.\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;\"\u003e2002-2004 Oldsmobile Alero\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;\"\u003e2.2L L61 Ecotec \/ GM N-body\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;\"\u003e140 hp \/ 150 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;\"\u003eUF391, 10458422, 12580538, 12587426, GN10111\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2002 Oldsmobile Alero GX 2.2L L4 (Gas)\u003c\/li\u003e\n  \u003cli\u003e2002 Oldsmobile Alero GL 2.2L L4 (Gas)\u003c\/li\u003e\n  \u003cli\u003e2003 Oldsmobile Alero GX 2.2L L4 (Gas)\u003c\/li\u003e\n  \u003cli\u003e2003 Oldsmobile Alero GL 2.2L L4 (Gas)\u003c\/li\u003e\n  \u003cli\u003e2004 Oldsmobile Alero GX 2.2L L4 (Gas)\u003c\/li\u003e\n  \u003cli\u003e2004 Oldsmobile Alero GL 2.2L L4 (Gas)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the GM N-body Alero?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct-fit replacement for all 2002-2004 Oldsmobile Alero models equipped with the \u003cstrong\u003e2.2L L61 Ecotec\u003c\/strong\u003e four-cylinder engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the included iridium spark plugs require manual gapping?\u003c\/strong\u003e\u003cbr\u003e The iridium spark plugs are factory pre-gapped, and mechanical gapping should be avoided to prevent damaging the fragile fine-wire center electrode.\u003c\/p\u003e\n\n\u003ch3\u003eThe Oldsmobile Reliability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to restore factory operational reliability to your daily driver, this ignition rail and plug package maintains stable voltage delivery under severe thermal stress, ensuring instant cold-weather starts and responsive throttle delivery.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50605761626360,"sku":"DS-EQXHDH7OS","price":74.95,"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-oldsmobile-alero-2002-2004-2-2l-1.jpg?v=1790089975","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-and-iridium-spark-plugs-for-oldsmobile-alero-2002-2004-2-2l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}