{"product_id":"delphi-gn11100-ignition-coil","title":"Delphi GN11100 Ignition Coil","description":"\u003ch2\u003eDelphi GN11100 Ignition Coil\u003c\/h2\u003e\u003cp\u003eThe Delphi GN11100 ignition coil is a standard replacement coil on plug unit built to OE design specifications. It is engineered for fast starts, steady engine performance, and efficient fuel delivery on select Buick, Cadillac, Chevrolet, and GMC applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoil on plug ignition coil for direct spark delivery\u003c\/li\u003e\n\u003cli\u003e12.0-volt standard ignition type\u003c\/li\u003e\n\u003cli\u003eBlack housing with elliptical female connector\u003c\/li\u003e\n\u003cli\u003e4-terminal male blade design with 1 connector and 2 mounting holes\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for OE-style fit and function\u003c\/li\u003e\n\u003cli\u003eDesigned and endurance tested with high-quality materials\u003c\/li\u003e\n\u003cli\u003eDelphi part number GN11100\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDelphi GN11100 is built for vehicles that use a coil on plug ignition setup, delivering the voltage needed for reliable spark at each cylinder. Delphi manufactures more than 10 million ignition coils for North America each year, and this unit is engineered to match OE design specifications for consistent operation. It is a practical choice for drivers looking for a direct replacement ignition coil for 2020-2024 Cadillac CT4, 2021-2024 Cadillac CT5, and 2020-2024 Cadillac XT4 applications, along with other listed fitments such as the 2020-2024 Chevrolet Blazer and 2020-2023 GMC Acadia. The GN11100 part number is also useful when cross-checking service records or ordering the correct replacement coil.\u003c\/p\u003e\u003cp\u003eThis part cross-references GM OE numbers 55511558 and 55513555 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine misfire caused by a weak or failing ignition coil\u003c\/li\u003e\n\u003cli\u003eHard starting or extended crank conditions\u003c\/li\u003e\n\u003cli\u003eRough idle and inconsistent cylinder performance\u003c\/li\u003e\n\u003cli\u003eLoss of fuel efficiency from incomplete combustion\u003c\/li\u003e\n\u003cli\u003eCheck engine light concerns related to ignition output\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify connector shape, terminal count, and mounting style before installation. This coil uses a female elliptical connector, 4 terminals, and 2 mounting holes, and it does not include coil wire or mounting hardware. Confirm the vehicle uses a coil on plug ignition layout and match the OE part number GN11100 before replacing the original unit.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDelphi ignition coils are endurance tested and built from quality materials to support dependable ignition performance. The GN11100 is manufactured as a standard replacement part engineered to OE design specifications for the listed applications.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2021-2024 Buick Envision, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2020-2024 Cadillac CT4, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2021-2024 Cadillac CT5, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2020-2024 Cadillac XT4, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2020-2024 Cadillac XT5, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2021-2024 Cadillac XT6, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2020-2024 Chevrolet Blazer, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2020-2023 GMC Acadia, N\/A\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":52433624924341,"sku":"BBMX-GN11100","price":68.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_GN11100_Fro.jpg?v=1777854672","url":"https:\/\/www.partcatalog.com\/products\/delphi-gn11100-ignition-coil","provider":"PartCatalog","version":"1.0","type":"link"}