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12720215 Genuine GM Fuel Injection Pump For Silverado Sierra 6.6L Diesel

P/N: 12720215 Manufactured by: GM
Original price $725.00 - Original price $725.00
Original price
$725.00
$725.00 - $725.00
Current price $725.00
3 in Stock
Condition: New
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Description

The 12720215 is a genuine GM high-pressure fuel injection pump designed for the specified Chevrolet Silverado HD and GMC Sierra HD trucks equipped with the 6.6L V8 diesel engine. It supplies the injection system with pressurized diesel fuel while operating within the original GM fuel-system configuration.

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 12720215
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 12720215 high-pressure fuel injection pump is engineered around the fuel circuit used on the applicable GM 6.6L diesel applications:

  • Generates the fuel pressure necessary for proper diesel injection system operation
  • Supplies pressurized fuel to the engine-side injection components
  • Interfaces with the existing fuel circuit on applicable Silverado HD and Sierra HD trucks
  • Fits the designated pump mounting location provided by the 6.6L V8 diesel configuration
  • Retains the specified fuel routing and connection arrangement throughout the high-pressure circuit
  • Uses the associated seal and bolt specified as service items during pump installation

Application Notes

The 12720215 is intended for specified Chevrolet Silverado HD and GMC Sierra HD applications using the applicable 6.6L V8 diesel fuel system. Inspect the fuel connections and mounting surfaces before assembly, and account for the related seal and bolt when completing the installation.

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

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