12676904 Genuine GM Fuel Injection Pump For Silverado Sierra 6.6L Diesel

Name: 12676904 Genuine GM Fuel Injection Pump For Silverado Sierra 6.6L Diesel
Brand: GM
SKU: 12676904
Price: 725.00 USD
Availability: InStock

P/N: 12676904 Manufactured by: GM

$725.00 - $725.00

$725.00

$725.00 - $725.00

$725.00

3 in Stock

Condition: New

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Description

The 12676904 is a genuine GM high-pressure fuel injection pump specified for Chevrolet Silverado HD and GMC Sierra HD applications equipped with the 6.6L V8 diesel engine. It generates the fuel pressure required by the diesel injection system while connecting to the original GM fuel circuit and mounting points.

Vehicle Compatibility

Year	Vehicle	Engine	Trims
2026	GMC Sierra 2500 HD	6.6L V8 - Diesel	AT4, AT4X, Denali, Denali Ultimate, Pro, SLE, SLT
2025	Chevrolet Silverado 2500 HD	6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas	Custom, High Country, LT, LTZ, WT, ZR2
2025	Chevrolet Silverado 3500 HD	6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas	High Country, LT, LTZ, WT
2025	GMC Sierra 2500 HD	6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas	AT4, AT4X, Denali, Denali Ultimate, Pro, SLE, SLT
2025	GMC Sierra 3500 HD	6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas	AT4, Denali, Denali Ultimate, Pro, SLE, SLT
2024	Chevrolet Silverado 2500 HD	6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas	Custom, High Country, LT, LTZ, WT, ZR2
2024	Chevrolet Silverado 3500 HD	6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas	High Country, LT, LTZ, WT
2024	GMC Sierra 2500 HD	6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas	AT4, AT4X, Denali, Denali Ultimate, Pro, SLE, SLT
2024	GMC Sierra 3500 HD	6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas	AT4, Denali, Denali Ultimate, Pro, SLE, SLT
2023	GMC Sierra 3500 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	GMC Sierra 3500 HD	6.6L V8 - Diesel	AT4, Base, Denali, SLE, SLT
2020	GMC Sierra 3500 HD	6.6L V8 - Diesel	AT4, Base, Denali, SLE, SLT

General Specifications

Condition	New
Part Number	12676904
Brand	GM
Part Type	High-Pressure Fuel Injection Pump
Years	2020–2026
Vehicle	Chevrolet Silverado HD, GMC Sierra HD
Engine Compatibility	6.6L V8 Diesel
Fuel System Function	High-Pressure Diesel Fuel Delivery
Dimensions	10.4 × 9.7 × 8.5 in
Weight	12.30 lbs
Fitment Type	Direct Replacement
Related Service Parts	Seal and Bolt

Product Features

The 12676904 high-pressure fuel injection pump is configured for the fuel delivery system used on the listed GM heavy-duty trucks:

Builds the high fuel pressure required for operation of the diesel injection system
Functions with the 6.6L V8 diesel fuel configuration specified for Silverado HD and Sierra HD trucks
Connects with the existing fuel supply and injection-system components at the designated pump location
Delivers pressurized fuel through the engine-side injection circuit during normal operation
Uses the mounting and fuel connection arrangement specified for the applicable GM diesel system
Works with the related seal and bolt identified as service components for installation

Application Notes

The 12676904 is intended for the applicable Chevrolet Silverado HD and GMC Sierra HD trucks using the specified 6.6L V8 diesel fuel system. The related seal and bolt are identified as non-reusable service items and should be addressed according to the proper installation procedure.

Verify part number, VIN, model year, 6.6L V8 diesel configuration, fuel-system setup, and applicable factory equipment before installation.