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141399Engine Control Module (ECM)
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APDTY 141399 ECM Engine Control Module Fits 6.6L Duramax Diesel (12686363)


  • Brand New ECM Engine Control Module
  • Fits 2017 And Newer 6.6L Duramax L5P Diesel Engine
  • Fits 2017-2018 Chevrolet Silverado 2500 or 3500 6.6L Duramax Diesel
  • Fits 2017-2018 GMC Sierra 2500 or 3500 6.6L Duramax Diesel
  • Replaces 12686363, 12683624, 12691652, 12683014
  • Made In The USA
  • Dealership programming may be requred on most models.
  • See Buyers Guide for compatibility
Make Model Qualifiers Year
Chevrolet Silverado 2500 HD
  • Position: N/A
  • 6.6L V8 6599cc 403ci
  • DIESEL
 2017-2018
Chevrolet Silverado 3500 HD
  • Position: N/A
  • 6.6L V8 6599cc 403ci
  • DIESEL
 2017-2018
GMC Sierra 2500 HD
  • Position: N/A
  • 6.6L V8 6599cc 403ci
  • DIESEL
 2017-2018
GMC Sierra 3500 HD
  • Position: N/A
  • 6.6L V8 6599cc 403ci
  • DIESEL
 2017-2018