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Spectra C-866 Ignition Coil

Brand	Spectra C-866
Fits	Cadillac, Chevrolet, and GMC · 170 vehicles

Premium copper construction. Built with premium-grade copper for reliable ignition performance.

Engineered to high standards. Developed with rigorous engineering for consistent coil output.

Cross-references Delphi GN10165, 5C1876 and 161117 for the same application. See all 14.

$68.19Free shipping

In stock · usually ships same day before 1pm CST

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Spectra C-866 Ignition Coil Overview

The Spectra C-866 ignition coil is built for direct replacement use on a wide range of GM vehicles, including Chevrolet Silverado, GMC Sierra, Cadillac Escalade, and Chevrolet Corvette applications. It uses premium-grade copper and is engineered to meet demanding ignition system requirements for consistent spark delivery.

For shoppers searching for an ignition coil for a 2014-2022 Chevrolet Silverado 1500, a 2015-2020 Cadillac Escalade, or a 2018-2022 GMC Yukon, this part number offers broad fitment coverage across multiple GM platforms.

Key Features

Premium-grade copper construction for ignition coil performance
Engineered to Spectra Premium standards for replacement use
Direct-fit coverage for many GM truck, SUV, and performance car applications
Fits vehicles such as Chevrolet Camaro, Corvette, Silverado, Tahoe, and GMC Sierra
Part number C-866 for easy catalog lookup

Detailed Product Description

The Spectra C-866 is an ignition coil designed for GM vehicles that use cylinder-head-mounted coil configurations. Fitment includes 2014-2022 Chevrolet Silverado 1500, 2015-2020 Cadillac Escalade, 2016-2018 Chevrolet Camaro, 2014-2018 Chevrolet Corvette, and 2018-2022 GMC Sierra and Yukon applications. This part is also listed for Chevrolet Express, Tahoe, Suburban, and Cadillac CTS/CT5 coverage where specified by the fitment data.

This part cross-references Delphi GN10165 for the same application.

Common Problems This Part Can Address

Engine misfire caused by a weak or failing ignition coil
Rough idle during acceleration or at stoplights
Hard starting related to inconsistent spark output
Loss of power under load in GM truck and SUV applications
Check engine light conditions tied to ignition coil faults

Installation Notes and Tips

Verify the exact year, make, model, and engine configuration before ordering. Fitment notes show multiple mounting styles, including direct cylinder-head mounting and circular or square-type coil designs, so matching the original coil shape is important. Confirm the vehicle application against the catalog listing for Chevrolet Silverado, GMC Sierra, Cadillac Escalade, and related GM models before installation.

Quality Assurance

Spectra Premium ignition coils are manufactured with premium-grade copper and developed under high engineering standards for replacement use. The C-866 is built to support dependable ignition system service across the listed GM applications.

This part fits 170 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Liters	Cylinders	Fuel Type	Position	Notes
2022	Cadillac	CT5	6.2L	V8	GAS	N/A	—
2022	Cadillac	Escalade	6.2L	V8	GAS	N/A	—
2022	Cadillac	Escalade ESV	6.2L	V8	GAS	N/A	—
2022	Chevrolet	Camaro	6.2L	V8	GAS	N/A	—
2022	Chevrolet	Cheyenne	6.2L	V8	GAS	N/A	—
2022	Chevrolet	Corvette	6.2L	V8	GAS	N/A	—
2022	Chevrolet	Express 2500	6.6L	V8	GAS	N/A	—
2022	Chevrolet	Express 3500	6.6L	V8	GAS	N/A	—
2022	Chevrolet	Silverado 1500	6.2L	V8	GAS	N/A	—
2022	Chevrolet	Silverado 1500 LTD	5.3L	V8	—	N/A	—
2022	Chevrolet	Silverado 2500 HD	6.6L	V8	GAS	N/A	—
2022	Chevrolet	Silverado 3500 HD	6.6L	V8	GAS	N/A	—
2022	Chevrolet	Tahoe	6.2L	V8	GAS	N/A	—
2022	GMC	Savana 2500	6.6L	V8	GAS	N/A	—
2022	GMC	Savana 3500	6.6L	V8	GAS	N/A	—
2022	GMC	Sierra 1500	6.2L	V8	GAS	N/A	—
2022	GMC	Sierra 1500 Limited	6.2L	V8	GAS	N/A	—
2022	GMC	Sierra 2500 HD	6.6L	V8	GAS	N/A	—
2022	GMC	Sierra 3500 HD	6.6L	V8	GAS	N/A	—
2022	GMC	Sierra Nueva	6.2L	V8	GAS	N/A	—
2022	GMC	Yukon	6.2L	V8	GAS	N/A	—
2022	GMC	Yukon XL	6.2L	V8	GAS	N/A	—
2021	Cadillac	Escalade	6.2L	V8	—	N/A	—
2021	Cadillac	Escalade ESV	6.2L	V8	—	N/A	—
2021	Chevrolet	Camaro	6.2L	V8	—	N/A	—
2021	Chevrolet	Cheyenne	6.2L	V8	GAS	N/A	—
2021	Chevrolet	Corvette	6.2L	V8	—	N/A	—
2021	Chevrolet	Express 2500	6.6L	V8	GAS	N/A	—
2021	Chevrolet	Express 3500	6.6L	V8	GAS	N/A	—
2021	Chevrolet	Silverado 1500	6.2L	V8	GAS	N/A	—
2021	Chevrolet	Silverado 2500 HD	6.6L	V8	GAS	N/A	—
2021	Chevrolet	Silverado 3500 HD	6.6L	V8	GAS	N/A	—
2021	Chevrolet	Tahoe	6.2L	V8	—	N/A	—
2021	GMC	Savana 2500	6.6L	V8	GAS	N/A	—
2021	GMC	Savana 3500	6.6L	V8	GAS	N/A	—
2021	GMC	Sierra 1500	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2021	GMC	Sierra 1500	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2021	GMC	Sierra 2500 HD	6.6L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2021	GMC	Sierra 3500 HD	6.6L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2021	GMC	Yukon	6.2L	V8	—	N/A	—
2021	GMC	Yukon XL	6.2L	V8	—	N/A	—
2020	Cadillac	Escalade	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2020	Cadillac	Escalade ESV	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2020	Chevrolet	Camaro	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2020	Chevrolet	Cheyenne	6.2L	V8	GAS	N/A	—
2020	Chevrolet	Corvette	6.2L	V8	—	N/A	—
2020	Chevrolet	Silverado 1500	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2020	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2020	Chevrolet	Silverado 1500	4.3L	V6	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2020	Chevrolet	Silverado 2500 HD	6.6L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2020	Chevrolet	Silverado 3500 HD	6.6L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2020	Chevrolet	Tahoe	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2020	Chevrolet	Tahoe	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2020	GMC	Savana 2500	4.3L	V6	—	N/A	—
2020	GMC	Savana 3500	4.3L	V6	—	N/A	—
2020	GMC	Sierra 1500	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2020	GMC	Sierra 1500	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2020	GMC	Sierra 1500	4.3L	V6	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2020	GMC	Sierra 2500 HD	6.6L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2020	GMC	Sierra 3500 HD	6.6L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2020	GMC	Yukon	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2020	GMC	Yukon	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2020	GMC	Yukon XL	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2020	GMC	Yukon XL	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2019	Cadillac	CTS	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2019	Cadillac	Escalade	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2019	Cadillac	Escalade ESV	6.2L	V8	—	N/A	Directly mounts onto cylinder head.
2019	Chevrolet	Camaro	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2019	Chevrolet	Cheyenne	6.2L	V8	GAS	N/A	—
2019	Chevrolet	Corvette	6.2L	V8	—	N/A	—
2019	Chevrolet	Silverado 1500	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2019	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2019	Chevrolet	Silverado 1500	4.3L	V6	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2019	Chevrolet	Silverado 1500 LD	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2019	Chevrolet	Silverado 2500 HD	6.0L	V8	—	N/A	—
2019	Chevrolet	Silverado 3500 HD	6.0L	V8	—	N/A	—
2019	Chevrolet	Suburban 3500 HD	6.0L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2019	Chevrolet	Tahoe	6.2L	V8	—	N/A	Directly mounts onto cylinder head.
2019	Chevrolet	Tahoe	5.3L	V8	—	N/A	Directly mounts onto cylinder head.
2019	GMC	Savana 2500	4.3L	V6	—	N/A	—
2019	GMC	Savana 3500	4.3L	V6	—	N/A	—
2019	GMC	Sierra 1500	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2019	GMC	Sierra 1500	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2019	GMC	Sierra 1500	4.3L	V6	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2019	GMC	Sierra 1500 Limited	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2019	GMC	Yukon	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2019	GMC	Yukon XL	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2018	Cadillac	CTS	6.2L	V8	—	N/A	Directly mounts onto cylinder head.
2018	Cadillac	Escalade	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2018	Cadillac	Escalade ESV	6.2L	V8	—	N/A	Directly mounts onto cylinder head.
2018	Chevrolet	Camaro	6.2L	V8	—	N/A	Directly mounts onto cylinder head.
2018	Chevrolet	Cheyenne	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head as square type
2018	Chevrolet	Corvette	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2018	Chevrolet	Silverado 1500	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2018	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2018	Chevrolet	Silverado 1500	4.3L	V6	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2018	Chevrolet	Silverado 2500	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2018	Chevrolet	Suburban 3500 HD	6.0L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2018	Chevrolet	Tahoe	6.2L	V8	—	N/A	Directly mounts onto cylinder head.
2018	Chevrolet	Tahoe	5.3L	V8	—	N/A	Directly mounts onto cylinder head.
2018	GMC	Savana 2500	4.3L	V6	—	N/A	—
2018	GMC	Savana 3500	4.3L	V6	—	N/A	—
2018	GMC	Sierra 1500	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2018	GMC	Sierra 1500	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2018	GMC	Sierra 1500	4.3L	V6	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2018	GMC	Yukon	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2018	GMC	Yukon	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2018	GMC	Yukon XL	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2018	GMC	Yukon XL	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2017	Cadillac	CTS	6.2L	V8	—	N/A	Directly mounts onto cylinder head.
2017	Cadillac	Escalade	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2017	Cadillac	Escalade ESV	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2017	Chevrolet	Camaro	6.2L	V8	—	N/A	Directly mounts onto cylinder head.
2017	Chevrolet	Cheyenne	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head as square type
2017	Chevrolet	Corvette	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2017	Chevrolet	Silverado 1500	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2017	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2017	Chevrolet	Silverado 1500	4.3L	V6	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2017	Chevrolet	Silverado 2500	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2017	Chevrolet	Silverado 2500	4.3L	V6	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2017	Chevrolet	Suburban 3500 HD	6.0L	V8	—	N/A	Directly mounts onto cylinder head.
2017	Chevrolet	Tahoe	5.3L	V8	—	N/A	Directly mounts onto cylinder head.
2017	GMC	Sierra 1500	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2017	GMC	Sierra 1500	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2017	GMC	Sierra 1500	4.3L	V6	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2017	GMC	Yukon	6.2L	V8	—	N/A	Directly mounts onto cylinder head.
2017	GMC	Yukon	5.3L	V8	—	N/A	Directly mounts onto cylinder head.
2017	GMC	Yukon XL	6.2L	V8	—	N/A	Directly mounts onto cylinder head.
2017	GMC	Yukon XL	5.3L	V8	—	N/A	Directly mounts onto cylinder head.
2016	Cadillac	CTS	6.2L	V8	—	N/A	Directly mounts onto cylinder head.
2016	Cadillac	Escalade	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2016	Cadillac	Escalade ESV	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2016	Chevrolet	Camaro	6.2L	V8	—	N/A	Directly mounts onto cylinder head.
2016	Chevrolet	Corvette	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2016	Chevrolet	Silverado 1500	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2016	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2016	Chevrolet	Silverado 1500	4.3L	V6	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2016	Chevrolet	Silverado 2500	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2016	Chevrolet	Suburban 3500 HD	6.0L	V8	—	N/A	Directly mounts onto cylinder head.
2016	Chevrolet	Tahoe	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2016	GMC	Sierra 1500	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2016	GMC	Sierra 1500	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2016	GMC	Sierra 1500	4.3L	V6	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2016	GMC	Yukon	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2016	GMC	Yukon	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2016	GMC	Yukon XL	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2016	GMC	Yukon XL	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2015	Cadillac	Escalade	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2015	Cadillac	Escalade ESV	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2015	Chevrolet	Corvette	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2015	Chevrolet	Silverado 1500	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2015	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2015	Chevrolet	Silverado 1500	4.3L	V6	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2015	Chevrolet	Silverado 2500	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2015	Chevrolet	Tahoe	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2015	GMC	Sierra 1500	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2015	GMC	Sierra 1500	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2015	GMC	Sierra 1500	4.3L	V6	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2015	GMC	Yukon	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2015	GMC	Yukon	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2015	GMC	Yukon XL	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2015	GMC	Yukon XL	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2014	Chevrolet	Corvette	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2014	Chevrolet	Silverado 1500	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2014	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2014	Chevrolet	Silverado 1500	4.3L	V6	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2014	Chevrolet	Silverado 2500	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2014	GMC	Sierra 1500	6.2L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2014	GMC	Sierra 1500	5.3L	V8	—	N/A	Ignition Coil mounts to cylinder head using a circular design
2014	GMC	Sierra 1500	4.3L	V6	—	N/A	Ignition Coil mounts to cylinder head using a circular design
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Directly replaces or cross-references 14 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

Delphi — GN101655C187616111712621750126581831267475412699383C1819CUF742E1242E1242PIC848MPSMF742UF742

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