12696966 Genuine GM High Pressure Diesel Fuel Injector For Silverado Sierra 6.6L

12696966 Genuine GM High Pressure Diesel Fuel Injector For Silverado Sierra 6.6L

Name: 12696966 Genuine GM High Pressure Diesel Fuel Injector For Silverado Sierra 6.6L
Brand: GM
SKU: 12696966
Price: 399.00 USD
Availability: InStock

P/N: 12696966 Manufactured by: GM

$399.00 - $399.00

$399.00

$399.00 - $399.00

$399.00

3 in Stock

Condition: New

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Description

The 12696966 is a genuine GM high pressure diesel fuel injector manufactured for select 2017–2023 Chevrolet Silverado HD and GMC Sierra HD trucks equipped with the 6.6L V8 Duramax diesel engine. It supplies accurately metered fuel into the cylinders through the factory common rail system, helping the engine maintain efficient combustion, stable power output, and proper fuel system operation.

Vehicle Compatibility

Year	Vehicle	Engine	Trims
2023	Chevrolet Silverado 2500 HD	6.6L V8 Diesel	Custom, High Country, LT, LTZ, WT
2023	Chevrolet Silverado 3500 HD	6.6L V8 Diesel	High Country, LT, LTZ, WT
2023	GMC Sierra 2500 HD	6.6L V8 Diesel	AT4, Denali, Pro, SLE, SLT
2023	GMC Sierra 3500 HD	6.6L V8 Diesel	AT4, Denali, Pro, SLE, SLT
2022	Chevrolet Silverado 2500 HD	6.6L V8 Diesel	Custom, High Country, LT, LTZ, WT
2022	Chevrolet Silverado 3500 HD	6.6L V8 Diesel	High Country, LT, LTZ, WT
2022	GMC Sierra 2500 HD	6.6L V8 Diesel	AT4, Denali, Pro, SLE, SLT
2022	GMC Sierra 3500 HD	6.6L V8 Diesel	AT4, Denali, Pro, SLE, SLT
2021	Chevrolet Silverado 2500 HD	6.6L V8 Diesel	Custom, High Country, LT, LTZ, WT
2021	Chevrolet Silverado 3500 HD	6.6L V8 Diesel	High Country, LT, LTZ, WT
2021	GMC Sierra 2500 HD	6.6L V8 Diesel	AT4, Base, Denali, SLE, SLT
2021	GMC Sierra 3500 HD	6.6L V8 Diesel	AT4, Base, Denali, SLE, SLT
2020	Chevrolet Silverado 2500 HD	6.6L V8 Diesel	High Country, LT, LTZ, WT
2020	Chevrolet Silverado 3500 HD	6.6L V8 Diesel	High Country, LT, LTZ, WT
2020	GMC Sierra 2500 HD	6.6L V8 Diesel	AT4, Base, Denali, SLE, SLT
2020	GMC Sierra 3500 HD	6.6L V8 Diesel	AT4, Base, Denali, SLE, SLT
2019	Chevrolet Silverado 2500 HD	6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel	High Country, LT, LTZ, WT
2019	Chevrolet Silverado 3500 HD	6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel	High Country, LT, LTZ, WT
2019	GMC Sierra 2500 HD	6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel	Base, Denali, SLE, SLT
2019	GMC Sierra 3500 HD	6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel	Base, Denali, SLE, SLT
2018	Chevrolet Silverado 2500 HD	6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel	High Country, LT, LTZ, WT
2018	Chevrolet Silverado 3500 HD	6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel	High Country, LT, LTZ, WT
2018	GMC Sierra 2500 HD	6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel	Base, Denali, SLE, SLT
2018	GMC Sierra 3500 HD	6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel	Base, Denali, SLE, SLT
2017	Chevrolet Silverado 2500 HD	6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel	High Country, LT, LTZ, WT
2017	Chevrolet Silverado 3500 HD	6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel	High Country, LT, LTZ, WT
2017	GMC Sierra 2500 HD	6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel	Base, Denali, SLE, SLT
2017	GMC Sierra 3500 HD	6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel	Base, Denali, SLE, SLT

General Specifications

Condition	New
Part Number	12696966
Brand	GM
Part Type	High Pressure Diesel Fuel Injector
Years	2017–2023
Vehicle	Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, GMC Sierra 3500 HD
Engine Compatibility	6.6L V8 Diesel
Dimensions	8.9 × 3.8 × 3.4 in
Weight	3.25 lbs
Fitment Type	Direct Replacement

Product Features

The 12696966 high pressure diesel fuel injector is built to match factory performance and installation requirements:

Precisely controls fuel delivery to meet the operating demands of the 6.6L Duramax diesel engine
Designed with factory-style sealing surfaces and connector configuration for correct installation
Built for use with the original high-pressure common rail fuel injection system
Provides consistent fuel atomization to support smooth engine performance and balanced combustion
Manufactured to GM engineering specifications for reliable operation under heavy-duty diesel workloads

Application Notes

The 12696966 is intended for select Chevrolet Silverado HD and GMC Sierra HD models equipped with the 6.6L Duramax diesel engine. Before installation, inspect the injector pocket, fuel rail, and high-pressure fuel lines to ensure the system is clean and free of contaminants.

Always verify the part number, VIN, engine configuration, and fuel injection system before installation.