{"title":"Ignition Coils for Buick Regal","description":"\u003ch2\u003ePrecision Ignition Packs for Buick Regal Sedans and Wagons\u003c\/h2\u003e\n\u003cp\u003eOver time, underhood heat cycles degrade factory coil windings and spark plug boots, leading to hesitation, rough idle, and misfire codes. Installing matched \u003cstrong\u003eignition coils for Buick Regal\u003c\/strong\u003e restores secondary voltage consistency and ensures efficient fuel burn across every cylinder. For broader catalog coverage, explore our complete selection of \u003ca href=\"\/collections\/buick-ignition\"\u003eignition components for Buick\u003c\/a\u003e or pair your service with a recalibrated \u003ca href=\"\/collections\/buick-performance-tune\"\u003eperformance tune for Buick\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eCoverage for Select Buick Regal Powertrains\u003c\/h3\u003e\n\u003cp\u003eOur current inventory supports direct-fit replacement packages for select model years and engine options:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e1990–2004:\u003c\/strong\u003e 3.1L and 3.8L V6 engines\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e2011–2017:\u003c\/strong\u003e 2.0L Turbo and 2.4L naturally aspirated 4-cylinder engines\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003e2018–2020:\u003c\/strong\u003e 2.0L Turbo and 3.6L V6 platforms (including Sportback and TourX trims)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch3\u003eWhat engine sizes and model years do these Buick Regal coil kits cover?\u003c\/h3\u003e\n\u003cp\u003eThis collection provides matched ignition coil and spark plug sets for select applications, including 1990–2004 Regal 3.1L and 3.8L V6 models, 2011–2017 2.0L Turbo and 2.4L models, and 2018–2020 Regal Sportback and TourX models with 2.0L Turbo or 3.6L V6 engines. Always verify your vehicle’s year, displacement, and body configuration before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eWill new coil packs resolve P0300 misfire trouble codes?\u003c\/h3\u003e\n\u003cp\u003eYes, if the diagnostic trouble code (such as P0300 random misfire or cylinder-specific codes P0301–P0306) is caused by degraded secondary winding resistance or arcing boots. Replacing failing coil packs along with fresh, properly gapped spark plugs eliminates spark dropouts under load.\u003c\/p\u003e\n\u003ch3\u003eShould I replace ignition coils individually or as a complete set?\u003c\/h3\u003e\n\u003cp\u003eInstalling a complete set is strongly recommended. All ignition coils experience identical heat exposure and mileage. When one coil pack weakens, the remaining units are generally close to failing. Replacing the full set ensures balanced spark delivery and prevents recurring misfires.\u003c\/p\u003e","products":[{"product_id":"ignition-coil-spark-plugs-for-buick-regal-1990-2004-3-1l-3-8l-v6","title":"Ignition Coil \u0026 Spark Plugs for Buick Regal (1990-2004) 3.1L 3.8L V6","description":"\u003ch2\u003eHigh-Output Ignition Coil \u0026amp; Spark Plugs for 1990-2004 Buick Regal\u003c\/h2\u003e\n  \n  \u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Restores engine efficiency and eliminates misfires by delivering a consistent, high-voltage spark to the combustion chamber of the GM W-body V6.\u003c\/p\u003e\n  \n  \u003ch3\u003eThe Stock Regal Ignition Weakness\u003c\/h3\u003e\n  \u003cp\u003eThe factory GM coil packs and original spark plugs on the 3.1L 60-degree V6 and 3.8L 3800 series engines are notoriously prone to thermal degradation. Over thousands of heat cycles, the epoxy potting compound inside the OEM coils begins to crack, allowing moisture intrusion and leading to internal arcing. This degrades the primary winding resistance, resulting in weak spark energy, rough idling, hesitation under heavy throttle, and inevitable P0300 series misfire codes. Furthermore, aging factory spark plug electrodes erode over time, increasing the spark gap and forcing the already weakened ignition coils to work even harder to jump the gap, leading to premature ignition module failure.\u003c\/p\u003e\n  \n  \u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n  \u003cp\u003eThis comprehensive ignition overhaul kit addresses factory W-body shortcomings by utilizing upgraded materials and ISO\/TS16949 certified manufacturing processes. The three replacement coil packs feature premium copper windings with optimized primary and secondary resistance, ensuring maximum voltage output to the plugs without overheating the ignition control module. High-grade dielectric epoxy potting completely seals the internal components against heat soak and engine bay moisture. Paired with six genuine NGK spark plugs featuring precision-engineered center electrodes, this package guarantees optimal flame kernel growth, cleaner combustion, improved throttle response, and maximum fuel atomization across the entire RPM range.\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;\"\u003e1990-2004 Buick Regal\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;\"\u003e3.1L 60-Degree V6, 3.8L 3800 V6 \/ GM W-Body\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;\"\u003e140-240 hp \/ 185-280 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;\"\u003eC849SPEC, 2-5192, EBC1518, GN10123\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n \n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e1990 Buick Regal 3.1L V6\u003c\/li\u003e\n    \u003cli\u003e1991 Buick Regal 3.1L V6 \/ 3.8L V6\u003c\/li\u003e\n    \u003cli\u003e1992 Buick Regal 3.1L V6 \/ 3.8L V6\u003c\/li\u003e\n    \u003cli\u003e1993 Buick Regal 3.1L V6 \/ 3.8L V6\u003c\/li\u003e\n    \u003cli\u003e1994 Buick Regal 3.1L V6 \/ 3.8L V6\u003c\/li\u003e\n    \u003cli\u003e1995 Buick Regal 3.1L V6 \/ 3.8L V6\u003c\/li\u003e\n    \u003cli\u003e1996 Buick Regal 3.1L V6 \/ 3.8L V6\u003c\/li\u003e\n    \u003cli\u003e1997 Buick Regal 3.8L V6\u003c\/li\u003e\n    \u003cli\u003e1998 Buick Regal 3.8L V6\u003c\/li\u003e\n    \u003cli\u003e1999 Buick Regal 3.8L V6\u003c\/li\u003e\n    \u003cli\u003e2000 Buick Regal 3.8L V6\u003c\/li\u003e\n    \u003cli\u003e2001 Buick Regal 3.8L V6\u003c\/li\u003e\n    \u003cli\u003e2002 Buick Regal 3.8L V6\u003c\/li\u003e\n    \u003cli\u003e2003 Buick Regal 3.8L V6\u003c\/li\u003e\n    \u003cli\u003e2004 Buick Regal 3.8L V6\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eThe Buick Reliability Standard\u003c\/h3\u003e\n  \u003cp\u003eWhether you are daily driving a naturally aspirated Custom or pushing boost through a supercharged GS, maintaining peak ignition performance is critical for preserving the legendary reliability and smooth power delivery of the GM 3800 and 3.1L platforms.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50066449826040,"sku":"DS-EBP111APZ","price":109.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-spark-plugs-for-buick-regal-1990-2004-3-1l-3-8l-v6-1.jpg?v=1785285161"},{"product_id":"ignition-coil-and-iridium-spark-plugs-for-buick-regal-2011-2017-2-4l","title":"Ignition Coil and Iridium Spark Plugs for Buick Regal (2011-2017) 2.4L","description":"\u003ch2\u003eDirect-Fit High-Dielectric Ignition Coil and Iridium Spark Plug Kit for 2011-2017 Buick Regal\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect Replacement Ignition Service Kit:\u003c\/strong\u003e Engineered specifically to resolve secondary ignition breakdown, cylinder misfires, and rough idle in naturally aspirated and eAssist 2.4L Ecotec engines.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Regal Coil Insulation Breakdown\u003c\/h3\u003e\n\u003cp\u003eFactory ignition coils on the 2.4L Ecotec platform endure severe thermal cycling directly above the cylinder head. Over time, heat soak degrades the internal epoxy encapsulation and silicone spark plug boots, leading to dielectric breakdown and micro-arcing. Simultaneously, factory spark plugs suffer from gap widening and center electrode erosion, increasing the required ionization voltage. This extra electrical load overstresses the coil driver circuitry, triggering P0300 through P0304 misfire codes, hesitations under load, and reduced fuel efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive overhaul kit features four high-grade coil-on-plug units coupled with fine-wire laser-welded iridium spark plugs. The ignition coils are manufactured with high-conductivity oxygen-free copper primary and secondary windings, shielded in high-dielectric PBT housing to resist voltage tracking and thermal breakdown. The paired iridium plugs provide a higher melting point and lower electrical resistance, producing a focused, stable spark kernel under high combustion chamber pressures for complete flame propagation.\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;\"\u003e2011-2017 Buick Regal\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) \/ GM Epsilon II\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\u003e2011 Buick Regal (2.4L L4 Gas - CXL, Base)\u003c\/li\u003e\n  \u003cli\u003e2012 Buick Regal (2.4L L4 Gas \/ 2.4L L4 Electric\/Gas - Base, Premium)\u003c\/li\u003e\n  \u003cli\u003e2013 Buick Regal (2.4L L4 Gas \/ 2.4L L4 Electric\/Gas - Base, Premium)\u003c\/li\u003e\n  \u003cli\u003e2014 Buick Regal (2.4L L4 Electric\/Gas - Base, Premium)\u003c\/li\u003e\n  \u003cli\u003e2015 Buick Regal (2.4L L4 Electric\/Gas - Base, Premium)\u003c\/li\u003e\n  \u003cli\u003e2016 Buick Regal (2.4L L4 Electric\/Gas - Base, Premium)\u003c\/li\u003e\n  \u003cli\u003e2017 Buick Regal (2.4L L4 Gas - Base, Sport Touring)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Buick Smoothness Standard\u003c\/h3\u003e\n\u003cp\u003eDesigned for exact OEM calibration match, this kit restores smooth idle quality, throttle response, and fuel economy with zero check-engine lights.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50448252338424,"sku":"DS-EJNWNHVN1","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-regal-2011-2017-2-4l-1.jpg?v=1788637661"},{"product_id":"ignition-coil-and-iridium-spark-plugs-for-buick-regal-2014-2017-2-0l","title":"Ignition Coil and Iridium Spark Plugs for Buick Regal (2014-2017) 2.0L","description":"\u003ch2\u003eDirect-Fit Ignition Service Kit for 2014-2017 Buick Regal 2.0L\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eRestore primary ignition performance:\u003c\/strong\u003e This complete direct-replacement ignition kit renews spark delivery across all four cylinders to eliminate misfires, rough idling, and hesitation under boost.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Regal Ignition Degradation\u003c\/h3\u003e\n\u003cp\u003eThe turbocharged 2.0L LTG platform operates under elevated combustion chamber pressures and high thermal loads. Over time, OEM ignition coils suffer from dielectric breakdown, internal micro-arcing within the copper windings, and thermal fatigue in the epoxy potting. Concurrently, factory spark plug electrodes erode, expanding the plug gap and forcing the coil packs to discharge at higher voltages, accelerating secondary circuit failure and triggering intermittent P0300-series trouble codes under high boost.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis ignition pack features reinforced coil-on-plug assemblies engineered with high-conductivity internal copper windings and high-dielectric epoxy housing to resist thermal saturation and prevent electrical leakage. Paired with fine-wire iridium spark plugs that maintain stable gap geometry under high cylinder pressures, this kit delivers consistent spark energy, stabilizes idle quality, and ensures complete flame-front propagation across the entire RPM band.\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;\"\u003e2014-2017 Buick Regal\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;\"\u003e2.0L Turbo LTG Ecotec \/ Epsilon II\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;\"\u003e259 hp \/ 295 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;\"\u003eUF680, UF-680, C869, C1827, 5C1884\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2014 Buick Regal Base, Premium, GS (2.0L L4 Turbo)\u003c\/li\u003e\n  \u003cli\u003e2015 Buick Regal Base, Premium, GS (2.0L L4 Turbo)\u003c\/li\u003e\n  \u003cli\u003e2016 Buick Regal Base, Premium, GS (2.0L L4 Turbo)\u003c\/li\u003e\n  \u003cli\u003e2017 Buick Regal Base, Premium, Sport Touring, GS (2.0L L4 Turbo)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Buick Calibration Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet exact OEM electrical parameters, this system maintains precise dwell times and factory ECU communication without throwing check engine lights or disrupting sensitive direct-injection management systems.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50448483975416,"sku":"DS-EQKRGNAZ9","price":100.95,"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-regal-2014-2017-2-0l-1.jpg?v=1788647083"},{"product_id":"ignition-coil-and-iridium-spark-plugs-for-buick-regal-sportback-2018-2020-2-0l","title":"Ignition Coil and Iridium Spark Plugs for Buick Regal Sportback (2018-2020) 2.0L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2018-2020 Buick Regal Sportback\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePrecision Ignition Overhaul:\u003c\/strong\u003e Restores factory ignition energy, stabilizes combustion under boost, and eliminates misfire-induced limp modes on 2.0L turbocharged models.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Regal Sportback Coil Degradation\u003c\/h3\u003e\n\u003cp\u003eThe 2.0L LTG turbo engine subjects factory ignition components to extreme thermal stress and elevated cylinder pressures. Over time, OEM coil pack epoxy degrades from aggressive underhood heat cycling, leading to internal winding short circuits and high-voltage dielectric breakdown. Concurrently, turbocharged direct injection accelerates standard spark plug electrode wear, causing gap widening, carbon tracking, hesitation under load, and random cylinder misfires.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive ignition overhaul kit integrates reinforced coil-on-plug assemblies featuring high-grade oxygen-free copper windings and heat-stabilized thermoplastic insulation to prevent arcing. Paired with precision laser-welded iridium spark plugs, the set maintains focused arc propagation under peak boost pressures, ensuring complete combustion, reliable throttle response, and maximum thermal endurance.\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;\"\u003e2018-2020 Buick Regal Sportback\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;\"\u003eLTG 2.0L Turbo \/ E2XX\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;\"\u003e250 hp \/ 260-295 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;\"\u003eUF680, UF-680, C869, C1827, 5C1884\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2018-2020 Buick Regal Sportback (Base, Preferred, Preferred II, Essence, Avenir) 2.0L L4 Turbocharged\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Buick Precision Standard\u003c\/h3\u003e\n\u003cp\u003eBuilt to tight OE direct-injection tolerances, this kit restores smooth factory idle, prevents misfire-related limp-mode triggers, and maintains ignition stability under all driving conditions.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50448484532472,"sku":"DS-EMPQQ1UHQ","price":100.95,"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-regal-sportback-2018-2020-2-0l-1.jpg?v=1788647132"},{"product_id":"ignition-coil-and-iridium-spark-plugs-for-buick-regal-tourx-2018-2020-2-0l","title":"Ignition Coil and Iridium Spark Plugs for Buick Regal TourX (2018-2020) 2.0L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2018-2020 Buick Regal TourX\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Restores factory ignition energy and combustion timing across all four cylinders to eliminate misfires, rough idling, and high-boost spark blowout.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Regal TourX Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe direct-injected 2.0L LTG turbo engine creates severe thermal loading and high cylinder pressures inside the compact E2XX engine bay. Over time, OEM coil assemblies suffer dielectric breakdown from extreme thermal cycling, causing micro-fractures in the internal epoxy and weakening primary\/secondary copper windings. Simultaneously, factory spark plug electrodes erode, widening gaps and increasing secondary voltage demand. This degradation leads to unburnt fuel cycles, hesitation under load, reduced fuel efficiency, and P0300-P0304 misfire trouble codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis ignition kit pairs four high-output coil-on-plug units with matched fine-wire iridium spark plugs for precise ignition synchronization. Engineered with high-conductivity copper windings, reinforced silicone boots, and heat-stabilized thermoplastic housings, each coil resists high-temperature degradation and voltage leakage. The ultra-fine iridium center electrodes ensure minimal firing voltage requirements, enhanced flame kernel propagation, and stable spark integrity under peak turbo boost pressures. Direct-fit blade terminals allow immediate plug-and-play installation.\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;\"\u003e2018-2020 Buick Regal TourX\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;\"\u003e2.0L LTG Turbo I4 \/ E2XX\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;\"\u003e250 hp \/ 295 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;\"\u003eUF680, UF-680, C869, C1827, 5C1884\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2018 Buick Regal TourX (Base, Preferred, Essence) 2.0L L4 Turbo Gas\u003c\/li\u003e\n  \u003cli\u003e2019 Buick Regal TourX (Base, Preferred, Essence) 2.0L L4 Turbo Gas\u003c\/li\u003e\n  \u003cli\u003e2020 Buick Regal TourX (Base, Preferred, Essence) 2.0L L4 Turbo Gas\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Buick Precision Benchmark\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet the exact diagnostic parameters of GM's direct-injected Ecotec platform, this kit maintains factory ECU spark mapping, ensures zero check-engine lights, and restores smooth throttle response across all driving conditions.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50448489480440,"sku":"DS-EJYLTTK4X","price":100.95,"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-regal-tourx-2018-2020-2-0l-1.jpg?v=1788647178"},{"product_id":"ignition-coil-and-iridium-spark-plugs-for-buick-regal-sportback-2018-2020-3-6l","title":"Ignition Coil and Iridium Spark Plugs for Buick Regal Sportback (2018-2020) 3.6L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2018-2020 Buick Regal Sportback\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Replaces degraded factory ignition components with high-conductance copper-wound coil packs and fine-wire iridium plugs to restore precise combustion timing and eliminate high-load misfires.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Regal Sportback Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe naturally aspirated direct-injected 3.6L LGX V6 operates under elevated cylinder pressures and thermal cycles within tight engine bay packaging. Over extended mileage, factory coil windings suffer insulation breakdown and dielectric fatigue from heat soak, leading to intermittent secondary voltage dropouts. Simultaneously, factory spark plug gaps erode, increasing electrical resistance, degrading fuel atomization, and causing rough idling, hesitation under wide-open throttle, and unburnt hydrocarbon buildup.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis complete ignition service kit features six direct-mount coil packs engineered with high-grade internal copper windings and heavy-duty magnetic lamination cores for stable, rapid spark saturation. Reinforced thermoplastic housings and high-dielectric silicone boots resist thermal cracking and dielectric arc-through. Paired with fine-wire iridium spark plugs offering high melting points and corrosion resistance, the kit ensures low ignition voltage requirements, consistent flame kernel propagation, and responsive throttle response across the RPM band.\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;\"\u003e2018-2020 Buick Regal Sportback \/ GS\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 \/ E2XX\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;\"\u003e310 hp \/ 282 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, 12666339, 12688894, C962, C2035, 5C2094, GN10889\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2018 Buick Regal Sportback (3.6L V6 LGX)\u003c\/li\u003e\n  \u003cli\u003e2019 Buick Regal Sportback (3.6L V6 LGX)\u003c\/li\u003e\n  \u003cli\u003e2020 Buick Regal Sportback (3.6L V6 LGX)\u003c\/li\u003e\n  \u003cli\u003e2018-2020 Buick Regal GS (3.6L V6 LGX)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Buick Reliability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to exact OEM interface dimensions, these ignition components provide plug-and-play installation without triggering diagnostic trouble codes or requiring ECU recalibration, ensuring factory-level operational refinement and long-term durability.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50449198907640,"sku":"DS-EM3K15YRV","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-buick-regal-sportback-2018-2020-3-6l-1.jpg?v=1788669515"},{"product_id":"ignition-coil-and-iridium-spark-plugs-for-buick-regal-2011-2013-2-0l","title":"Ignition Coil and Iridium Spark Plugs for Buick Regal (2011-2013) 2.0L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2011-2013 Buick Regal\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eReplaces degraded factory ignition components:\u003c\/strong\u003e Restores primary and secondary spark energy delivery across high-boost operating conditions on GM turbocharged engines.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Regal Ignition Coil Insulation Breakdown\u003c\/h3\u003e\n\u003cp\u003eUnder elevated cylinder pressures and continuous thermal cycling, the OEM ignition coils on the Regal turbo platform suffer dielectric insulation fatigue. Radiated engine bay heat degrades the internal epoxy potting, causing internal winding resistance shifts and high-load secondary arcing. This results in misfire codes (P0300-P0304), sluggish boost onset, and rough idle characteristics.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis direct-replacement kit features coil-on-plug assemblies engineered with high-grade copper primary and secondary windings encased in high-dielectric epoxy housing. Paired with fine-wire iridium spark plugs engineered to withstand severe combustion temperatures, this assembly ensures minimal quenching, low firing voltage requirements, and reliable flame propagation under full turbo boost.\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;\"\u003e2011-2013 Buick Regal 2.0L\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;\"\u003e2.0L Turbo Ecotec (LHU) \/ GM Epsilon II\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;\"\u003e220 hp \/ 258 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, UF-491, 12638824, 12578244\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2011 Buick Regal CXL Turbo 2.0L L4 Gas\u003c\/li\u003e\n  \u003cli\u003e2012 Buick Regal Base Turbo \/ GS 2.0L L4 Gas \/ Flex\u003c\/li\u003e\n  \u003cli\u003e2013 Buick Regal Base Turbo \/ GS 2.0L L4 Gas \/ Flex\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Buick Combustion Caliber\u003c\/h3\u003e\n\u003cp\u003eBuilt to factory resistance profiles and pin terminal specifications, ensuring seamless plug-and-play installation, immediate engine response, and fault-free operation without triggering CEL conditions.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50451959447800,"sku":"DS-EQDEHQMAI","price":85.95,"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-regal-2011-2013-2-0l-1.jpg?v=1788714669"}],"url":"https:\/\/performancechiptuning.com\/collections\/buick-regal-ignition.oembed","provider":"Performance Chip Tuning","version":"1.0","type":"link"}