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12683624 Genuine GM Engine Control Module For Silverado Sierra 6.6L Diesel

P/N: 12683624 Manufactured by: GM
Original price $765.00 - Original price $765.00
Original price
$765.00
$765.00 - $765.00
Current price $765.00
1 in Stock
Condition: New
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Description

The 12683624 is a genuine GM engine control module specified for select Chevrolet Silverado HD and GMC Sierra HD trucks equipped with a 6.6L V8 diesel engine. It serves as an electronic control center for the diesel powertrain, interpreting operating information and managing designated engine and emissions system functions.

Vehicle Compatibility

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


General Specifications

Condition New
Part Number 12683624
Brand GM
Part Type Engine Control Module
Years 2017–2022
Vehicle Chevrolet Silverado 2500 HD, Silverado 3500 HD; GMC Sierra 2500 HD, Sierra 3500 HD
Engine Compatibility 6.6L V8 Diesel
Control System Engine Electronic Management
Emissions System Electronic Emission Control
Dimensions 3.0 × 13.2 × 12.6 in
Weight 4.45 lbs


Product Features

The 12683624 genuine GM engine control module incorporates the following electronic capabilities for compatible diesel truck applications:

  • Receives operating data from engine sensors for electronic powertrain control functions
  • Executes factory control instructions associated with the specified diesel engine configuration
  • Coordinates designated emissions control operations through the original GM management system
  • Exchanges electronic information with compatible vehicle modules over the factory communication network
  • Designed for heavy-duty Silverado and Sierra trucks with 6.6L diesel engines
  • Works with the corresponding GM engine calibration and electronic control arrangement
  • Processes incoming signals to manage engine functions under changing operating conditions
  • Integrates diesel engine management and emissions-related electronic control within one module

Application Notes

The 12683624 is intended for select Chevrolet Silverado 2500 HD and 3500 HD, along with GMC Sierra 2500 HD and 3500 HD models equipped with the 6.6L V8 diesel engine. Proper installation involves confirming the factory ECM configuration and performing any required GM programming, calibration, or electronic system setup procedures.

Always verify the original ECM identification, engine specifications, vehicle electronic system compatibility, and required calibration procedures before installation.

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