{"product_id":"ignition-coil-and-iridium-spark-plugs-for-buick-lacrosse-2010-2016-2-4l","title":"Ignition Coil and Iridium Spark Plugs for Buick LaCrosse (2010-2016) 2.4L","description":"\u003ch2\u003eOEM-Grade Ignition Coil and Iridium Spark Plug Kit for 2010-2016 Buick LaCrosse\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect-fit replacement ignition tune-up kit:\u003c\/strong\u003e Restores factory secondary voltage output, eliminates cylinder misfires, and stabilizes engine idle across all four cylinders on the 2.4L Ecotec engine.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock LaCrosse Ignition Breakdown and Heat Fatigue\u003c\/h3\u003e\n\u003cp\u003eContinuous thermal cycling within the GM direct-injection engine bay deteriorates factory coil-on-plug epoxy insulation and breaks down internal copper windings over time. This thermal fatigue creates internal resistance surges, leading to weak spark energy, unburned fuel, reduced throttle response, carbon accumulation on piston crowns, and persistent P0300 through P0304 misfire diagnostic trouble codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis ignition kit utilizes high-conductivity oxygen-free copper internal windings housed inside high-dielectric epoxy casings to isolate voltage leaks and prevent high-temperature arcing. Engineered with exact OE blade terminals and molded boots, the coils pair seamlessly with laser-welded iridium spark plugs. The fine-wire iridium center electrodes lower required ignition voltage, reducing overall stress on the primary ignition circuit while generating a concentrated, stable flame kernel for complete combustion.\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;\"\u003e2010-2016 Buick LaCrosse\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;\"\u003e2.4L Ecotec (LAF \/ LEA \/ LUK) \/ Epsilon II (GMX353)\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;\"\u003e182 hp \/ 172 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;\"\u003eUF491, 12578224, 12638824, 12578244, C1552, D517A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2010-2016 Buick LaCrosse 2.4L L4 Gas \/ Mild Hybrid (Base, Convenience, Leather, Premium, eAssist)\u003c\/li\u003e\n  \u003cli\u003eInterchange Part Numbers: UF491, 12578224, 12638824, 12578244, C1552, D517A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Buick Standard of Precision\u003c\/h3\u003e\n\u003cp\u003eEngineered to match factory ECM dwell time calibrations, this kit ensures smooth power delivery, immediate cold-start ignition, and strict compliance against CEL triggers for reliable daily driving.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50447762194680,"sku":"DS-EZH73C2S3","price":109.95,"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-buick-lacrosse-2010-2016-2-4l-1.jpg?v=1788623672","url":"https:\/\/performancechiptuning.com\/fr\/products\/ignition-coil-and-iridium-spark-plugs-for-buick-lacrosse-2010-2016-2-4l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}