• Front view of a 2016 Savana 3500 ECM Engine Control Module part number 12668991, showing the main electrical connector ports.
  • Programmed 2016 Savana 2500 Van Engine Control Module ECM 12668991, front view showing connectors.
  • Programmed 2016 Express 2500 Van ECM Engine Control Module, part number 12668991, ready for installation.
  • VIN Programmed Engine Control Module ECM 12668991 for 2016 Chevrolet Express 3500 Van.
  • 2016 Suburban 3500 ECM Engine Control Module 12668866, front view showing electrical connectors.
  • Front view of the 2016 Savana 3500 ECM Engine Control Module, part number 12668866, showing the main connectors.
  • 2016 Savana 2500 Van ECM Engine Control Module, part number 12668866, showing the main housing and electrical connectors.
  • 2016 Chevy Express 2500 Van Engine Control Module ECM part 12668866, front view showing connectors.
  • Programmed Engine Control Module ECM 12668866 for a 2016 Chevrolet Express 3500 Van.
  • Programmed Engine Control Module ECM 12663405 for 2016 Chevy Suburban 3500 and other GM vehicles.
  • Programmed 2016 GMC Savana 3500 ECM Engine Control Module, part number 12663405.
  • Programmed 2016 Savana 2500 Engine Module ECM part number 12663405, front view showing connectors.
  • Programmed 2016 Express 2500 Van Engine Control Module ECM, part number 12663405.
  • 2016 Express 3500 ECM Engine Control Module, part number 12663405, showing the main housing and electrical connection ports.
  • Programmed 2016 Suburban 3500 ECM Engine Control Module, part number 12643636, ready for installation.
  • Front view of a 2016 Savana 3500 ECM Engine Control Module, part number 12643636, showing the main electrical connector ports.
  • Engine Control Module ECM for 2016 GMC Savana 2500 Van, part number 12643636.
  • Programmed 2016 Express 2500 Van ECM Engine Control Module, part number 12643636.
  • Engine Control Module ECM 12643636 for 2016 Chevy Express 3500 Van.
  • 2016 Camaro Engine Module ECM part number 12676230 with its three main electrical connection ports visible.

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