12698552 Genuine GM High Pressure Diesel Fuel Injector For Silverado Sierra 6.6L

12698552 Genuine GM High Pressure Diesel Fuel Injector For Silverado Sierra 6.6L

Name: 12698552 Genuine GM High Pressure Diesel Fuel Injector For Silverado Sierra 6.6L
Brand: GM
SKU: 12698552
Price: 399.00 USD
Availability: InStock

P/N: 12698552 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 12698552 is a genuine GM high pressure diesel fuel injector designed for select 2017–2023 Chevrolet Silverado HD and GMC Sierra HD models equipped with the 6.6L V8 Duramax diesel engine. It delivers precise fuel metering under high injection pressure while matching the original factory fit, connector, and sealing configuration.

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	12698552
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 12698552 high pressure diesel fuel injector is manufactured to GM factory specifications for accurate fuel delivery in the Duramax common rail fuel system:

Delivers fuel at the pressure and timing required to support efficient combustion and consistent engine performance
Matches the original injector dimensions, connector, and sealing surfaces for a factory-style installation
Built to operate with the high-pressure common rail fuel system used on compatible 6.6L Duramax diesel engines
Helps maintain smooth engine operation, responsive throttle performance, and proper fuel atomization
Manufactured to GM engineering standards for dependable operation under demanding diesel truck conditions

Application Notes

The 12698552 fuel injector is designed for select 2017–2023 Chevrolet Silverado HD and GMC Sierra HD models equipped with the 6.6L Duramax diesel engine. Before installing the injector, inspect the fuel rail and high-pressure lines for contamination and always use new sealing components.

Verify the part number, engine configuration, and fuel system application before installation.