{"product_id":"ignition-coil-and-iridium-spark-plugs-for-cadillac-ct6-2016-2020-3-6l","title":"Ignition Coil and Iridium Spark Plugs for Cadillac CT6 (2016-2020) 3.6L","description":"\u003ch2\u003eDirect-Fit Ignition Coil \u0026amp; Iridium Spark Plug Kit for 2016-2020 Cadillac CT6\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect-Fit Ignition Overhaul:\u003c\/strong\u003e Replaces deteriorated coil packs and eroded plugs to restore secondary ignition reserve, eliminate misfire codes, and stabilize idle across all six cylinders.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock CT6 High-Voltage Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe high-compression, direct-injected 3.6L LGX engine subjects factory coil-on-plug assemblies to extreme thermal cycling and severe dielectric stress. Over mileage, factory internal epoxy develops micro-fractures while internal copper windings suffer thermal breakdown. The elevated cylinder pressures of direct injection require higher ionization voltages, causing weak coils to leak voltage to ground, resulting in P0300-P0306 misfire codes, sluggish throttle response, unburnt hydrocarbon build-up, and rough idle conditions.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis complete 6-cylinder ignition kit pairs heavy-duty coil-on-plug units with fine-wire iridium spark plugs. The coils feature high-purity electrolytic copper primary and secondary windings encased in high-temperature thermal epoxy to prevent dielectric punch-through. Direct-fit blade terminals ensure low contact resistance and factory harness retention. Paired with laser-welded iridium spark plugs, this kit reduces firing voltage requirements, enhances flame kernel propagation, and maintains arc stability under high engine loads.\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;\"\u003e2016-2020 Cadillac CT6\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;\"\u003e3.6L LGX V6 \/ GM Omega Platform\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;\"\u003e335 hp \/ 284 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;\"\u003eUF830, UF-830, C-962, C2035, 5C2094, GN10889, 12666339\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2016 Cadillac CT6 3.6L V6 (Base, Luxury, Premium Luxury, Platinum)\u003c\/li\u003e\n  \u003cli\u003e2017 Cadillac CT6 3.6L V6 (Base, Luxury, Premium Luxury, Platinum)\u003c\/li\u003e\n  \u003cli\u003e2018 Cadillac CT6 3.6L V6 (Base, Luxury, Premium Luxury, Platinum)\u003c\/li\u003e\n  \u003cli\u003e2019 Cadillac CT6 3.6L V6 (Luxury, Premium Luxury, Sport)\u003c\/li\u003e\n  \u003cli\u003e2020 Cadillac CT6 3.6L V6 (Luxury, Premium Luxury)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Cadillac Luxury Calibration Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet stringent GM ECU pulse-width modulation and primary resistance specifications, this kit guarantees smooth power delivery, clean cold-starts, and seamless cylinder deactivation operation without triggering check engine lights.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50448508715256,"sku":"DS-EEH297F6C","price":129.95,"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-cadillac-ct6-2016-2020-3-6l-1.jpg?v=1788648278","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-and-iridium-spark-plugs-for-cadillac-ct6-2016-2020-3-6l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}