• Front view of the 2004-2005 Duramax ECM 12244189 for Sierra and Silverado trucks, showing the main connectors.
  • Programmed 12244189 ECM for 2004-2005 Silverado and Sierra 2500/3500 with LLY Duramax Diesel engine.
  • Programmed 15292913 ECM for a 2004-2005 Chevrolet Silverado or GMC Sierra 3500 with Duramax diesel engine.
  • Programmed 2004-2005 Silverado 2500 ECM 12244189 for Duramax diesel engine, ready for installation.
  • Programmed 2004-2005 Silverado Sierra Diesel ECM 15292913, front view showing connectors.

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