• Programmed Engine Control Module (ECM) for a 2007 GMC Sierra 1500, part number 12597121.
  • Front view of the 2007 Saturn Aura programmed ECM 12597121, showing the main connectors.
  • Programmed 2007 Pontiac Torrent ECM Engine Control Module, part number 12597121, ready for installation.
  • Programmed 2007 Monte Carlo ECM 12597121 with connectors visible on a white background.
  • Programmed 2007 Cadillac Escalade EXT Engine Control Module ECM ECU part number 12597121.
  • Programmed 2007 Cadillac Escalade ESV Engine Control Module ECM unit.
  • Pre-programmed 2007 Equinox ECM, part number 12597121, ready for installation.
  • Programmed 2007 Silverado 2500 ECM, part number 12597121, ready for installation.
  • Front view of the 2007 Silverado 3500 Programmed ECM 12597121 showing the main connectors.
  • Programmed 2007 Sierra 3500 ECM with part number 12597121 shown on a clean background.
  • Programmed 2007 Sierra Denali ECM 12597121 Engine Control Module with connectors visible.
  • Programmed 2007 Impala ECM 12597121 Engine Control Module, front view showing connectors.
  • Programmed Engine Control Module ECM for 2007 Hummer H2, part number 12597121.
  • Programmed 2007 Pontiac G6 engine control module, part number 12597121, ready for installation.
  • Programmed Engine Control Module (ECM) for a 2007 GMC Yukon XL 2500, part number 12589297, shown on a clean white background.
  • Programmed 2007 GMC Yukon ECM Engine Computer Module 12589297 being held before installation.
  • Programmed 2007 Yukon XL 1500 ECM, part number 12589297, ready for installation.
  • Pre-programmed 2007 Chevy Tahoe Engine Control Module, part number 12589297, ready for installation.
  • Front view of the 2007 Suburban 1500 ECM 12589297 showing the main connection ports.
  • Pre-programmed 2007 Suburban 2500 ECM 12589297 module, front view showing connectors.

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