Spectra C-866 Ignition Coil

Name: Spectra C-866 Ignition Coil
Brand: Spectra
SKU: BCNK-C-866
Price: 68.19 USD
Availability: InStock

170 vehicles fit this part

Select your vehicle to confirm fitment

Verify this part fits before purchasing — free returns if it doesn't

$68.19Free Shipping

Free ShippingNo Cost to Continental U.S.

Free Returns*Wrong fit? No cost

60-Day ReturnsMoney back guarantee

*Free return shipping only qualifies if our fitment verification tool is used.

In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.

OE Direct Replacement — Bolt-on fit, no modifications needed

Fitment: Cadillac, Chevrolet, and GMC, Camaro, Cheyenne, Corvette, CT5, CTS, Escalade, Escalade ESV, Express 2500, Express 3500, Savana 2500, Savana 3500, Sierra 1500, Sierra 1500 Limited, Sierra 2500 HD, Sierra 3500 HD, Sierra Nueva, Silverado 1500, Silverado 1500 LD, Silverado 1500 LTD, Silverado 2500, Silverado 2500 HD, Silverado 3500 HD, Suburban 3500 HD, Tahoe, Yukon, and Yukon XL

Easy Returns — Return within 60 days for a full refund

Fast Shipping — Most orders ship same business day before 1pm CST

Not what you need? See all Ignition Coil options

Reliable Ignition Coil for Cadillac, Chevrolet, and GMC Vehicles

The Spectra C-866 ignition coil is designed to provide consistent ignition performance for a range of Cadillac, Chevrolet, and GMC models. Engineered to meet OEM specifications, this ignition coil ensures proper spark delivery for efficient engine operation.

Compatible with multiple GM vehicles including Camaro, Corvette, Escalade, Sierra, Silverado, and Yukon
Part number C-866 for precise identification and fitment
Designed to deliver stable voltage output for reliable ignition
Durable construction to withstand engine heat and vibration
Direct replacement ignition coil for improved engine performance

Product Details and Compatibility

The Spectra C-866 ignition coil is engineered to fit a wide range of GM vehicles such as the Cadillac CT5, CTS, Escalade, and Escalade ESV; Chevrolet Camaro, Corvette, Express 2500/3500, Silverado 1500/2500/3500, Suburban 3500 HD, and Tahoe; as well as GMC Cheyenne, Sierra 1500/2500/3500, Sierra Nueva, and Yukon models. This ignition coil is designed to meet or exceed OEM standards, ensuring proper spark timing and engine efficiency. Using the correct ignition coil like the C-866 helps maintain engine smoothness and fuel economy by providing consistent spark energy to the spark plugs.

Common Applications and Problem Resolution

Resolves engine misfires and rough idling caused by faulty ignition coils
Addresses difficulty starting the engine due to weak or inconsistent spark
Improves fuel efficiency by ensuring complete combustion
Eliminates engine hesitation and power loss during acceleration
Prevents check engine light triggers related to ignition coil failure

Installation Notes and Tips

When installing the Spectra C-866 ignition coil, ensure the engine is cool and the battery is disconnected to avoid electrical hazards. Remove the old ignition coil carefully, noting the orientation and connector placement. Verify that the replacement coil matches the part number C-866 and fits the specific vehicle model. Secure the coil firmly to prevent vibration damage and reconnect all electrical connectors properly. After installation, perform a test start to confirm proper engine operation and absence of misfire codes.

Quality Assurance and Warranty

Spectra ignition coils are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The C-866 ignition coil is built to withstand harsh engine conditions including heat and vibration. While specific warranty details are not provided here, Spectra products typically come with a limited warranty covering defects in materials and workmanship. Consult the product packaging or manufacturer documentation for exact warranty terms.

This part fits 170 vehicles. Search below:

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

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

This part directly replaces or is cross-referenced with the following part numbers:

126217501265818312674754126993831611175C1876C1819CUF742E1242E1242PGN10165IC848MPSMF742UF742

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