• Front view of the 2013-2014 Sierra 3500 ECM, part number 12654088, for the 6.6L Duramax engine.
  • Front view of the 2013-2014 Sierra 2500 ECM Engine Control Module 12654088, showing the main electrical connector ports.
  • Programmed 2013-2014 Sierra 2500 ECM 12654088 for 6.6L Duramax engines.
  • Programmed 2013-2014 Sierra ECM 12654088 for GM 6.6L Duramax engines.
  • 2013-2014 Express 3500 ECM 12654088 for 6.6L Duramax Diesel Engine
  • 2013-2014 Express 2500 ECM Engine Control Module 12654088 for 6.6L GM engines.
  • 2013-2014 Savana 3500 Van ECM Engine Control Module 12653319 for 6.6L Duramax engine.
  • 2013-2014 Savana 2500 ECM Engine Control Module 12653319, front view showing main electrical connectors.
  • 2013-2014 Silverado 2500 ECM Engine Control Module part number 12653319.
  • 2013-2014 Silverado ECM Engine Control Module 12653319 showing the main housing and electrical connection ports.
  • 2013-2014 Sierra 3500 ECM Engine Computer 12653319 for 6.6L Duramax engines.
  • 2013-2014 Sierra 2500 ECM Engine Control Module 12653319, front view showing connectors.
  • 2013-2014 Sierra Denali 2500 ECM Engine Control Module 12653319 for 6.6L Duramax engine.
  • Engine Control Module ECM 12653319 for 2013-2014 GM Sierra, Silverado, and Express/Savana with 6.6L Duramax engine.
  • Front view of the 2013-2014 Duramax ECM Engine Control Module 12653319, showing the main electrical connector ports.
  • Programmed 2013-2014 GM 6.6L ECM 12653319 for Silverado, Sierra, Express, and Savana models.
  • 1998-1999 GMC Yukon PCM Powertrain Control Module, part number 9366810, showing the main connectors.
  • 1998-1999 Suburban PCM Engine Computer 9366810, front view showing connectors.
  • 1998-1999 Suburban PCM Electronic Control Module 9366810, front view showing connectors.
  • Front view of a 1998-1999 Tahoe PCM, part 9366810, showing the main case and multi-pin harness connectors. This pre-programmed ECM fixes engine issues.

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