12674615 Genuine GM High Pressure Diesel Fuel Injector For Silverado Sierra 6.6L

12674615 Genuine GM High Pressure Diesel Fuel Injector For Silverado Sierra 6.6L

Name: 12674615 Genuine GM High Pressure Diesel Fuel Injector For Silverado Sierra 6.6L
Brand: GM
SKU: 12674615
Price: 399.00 USD
Availability: InStock

P/N: 12674615 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 12674615 is a genuine GM high pressure diesel fuel injector engineered for select 2017–2023 Chevrolet Silverado HD and GMC Sierra HD trucks equipped with the 6.6L V8 Duramax diesel engine. It meters fuel into the combustion chamber with the precision required by the common rail fuel system, helping maintain proper engine operation and factory fuel delivery characteristics.

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	12674615
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 12674615 high pressure diesel fuel injector is built to match factory performance and installation requirements:

Designed to deliver accurate fuel volume and injection timing for compatible 6.6L Duramax diesel engines
Manufactured with the original connector style and sealing surfaces for proper installation
Built for use with the factory high-pressure common rail fuel system
Helps maintain balanced combustion and consistent engine response under varying operating conditions
Produced to GM engineering specifications for dependable performance in heavy-duty diesel applications

Application Notes

The 12674615 is intended for select 2017–2023 Chevrolet Silverado HD and GMC Sierra HD models equipped with the 6.6L Duramax diesel engine. Before installing the injector, make sure the fuel rail, injector bore, and high-pressure fuel lines are clean and free of debris.

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