{"product_id":"ignition-coil-and-iridium-spark-plugs-for-chevrolet-sonic-2012-2020-1-4l","title":"Ignition Coil and Iridium Spark Plugs for Chevrolet Sonic (2012-2020) 1.4L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Ignition Coil Pack and Iridium Spark Plug Kit for 2012-2020 Chevrolet Sonic (T300)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Ignition Coil Pack and Iridium Spark Plug Kit replaces worn ignition components on the 2012-2020 Chevrolet Sonic to eliminate ignition misfires and restore combustion efficiency under boost.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Chevrolet Sonic Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe factory \u003cstrong\u003eEcotec LUJ\/LUV 1.4L Turbo\u003c\/strong\u003e relies on a monolithic four-cylinder coil cassette mounted directly over the aluminum cylinder head. Prolonged thermal cycling in tight engine bays causes microscopic dielectric breakdown in the epoxy resin and boots. Over time, internal resistance surges and secondary winding degradation induce severe spark blowout, resulting in diagnostic trouble codes \u003cstrong\u003eP0300 through P0304\u003c\/strong\u003e, hesitation under boost load, and premature erosion of standard spark plug gaps.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive tune-up kit features an upgraded one-piece ignition cassette matched with 4 fine-wire iridium spark plugs. Engineered to replace OEM part numbers \u003cstrong\u003eUF669\u003c\/strong\u003e and \u003cstrong\u003e55579072\u003c\/strong\u003e, the cassette utilizes high-temp silicone boots and a factory-pinned 7-pin electrical connector for plug-and-play installation. The fine-wire iridium center electrodes demand significantly less firing voltage, delivering exceptional flame kernel growth and consistent spark discharge across the 0.9–1.0 mm factory gap under high manifold pressures.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 Ignition Coil Pack (4-cylinder cassette, black)\u003c\/li\u003e\n  \u003cli\u003e4 Iridium Spark Plugs (14mm thread, 16mm hex, 19mm reach)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\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;\"\u003e2012-2020 Chevrolet Sonic\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;\"\u003e1.4L Turbo (LUJ\/LUV) \/ T300\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;\"\u003e138 hp \/ 148 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;\"\u003eUF669, 25195107, 55575499, 55577898, 55579072\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2012-2020 Chevrolet Sonic 1.4L L4 Turbo (Manual and Automatic transmissions)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the T300 Sonic?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2012-2020 Chevrolet Sonic equipped with the \u003cstrong\u003eLUJ\/LUV 1.4L Turbo\u003c\/strong\u003e engine. \u003cstrong\u003eThis kit does not fit Sonic models equipped with the naturally aspirated 1.8L engine.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to apply dielectric grease during installation?\u003c\/h4\u003e\n\u003cp\u003eApplying a thin film of dielectric grease inside the boot ends prevents voltage arcing and ensures boots do not bond to the plug ceramics over time.\u003c\/p\u003e\n\n\u003ch3\u003eThe Chevrolet Performance Caliber\u003c\/h3\u003e\n\u003cp\u003eBuilt to handle the heat and cylinder pressures of modern forced-induction commuter platforms, this ignition system delivers uncompromising spark reliability to maximize your turbocharged powerband.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68083581911288,"sku":"DS-EC8U3EJXV","price":71.95,"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-sonic-2012-2020-1-4l-1.jpg?v=1794528814","url":"https:\/\/performancechiptuning.com\/de\/products\/ignition-coil-and-iridium-spark-plugs-for-chevrolet-sonic-2012-2020-1-4l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}