2004-2006 Chevrolet Colorado 12606374 Engine Control Module Unit Ecm F69 007

USED 2006 Chevy Trailblazer Engine Control Module 12597521 / 19209820

2006 Chevrolet Trailblazer 4.2L ECU ECM Electronic Control Module OEM 12597521

2006 Chevy Colorado Engine Control Module ecm 12597521

04 06 Chevrolet Colorado OEM ECM PCM ECU Engine Control Module Computer 12597521

2006 Chevrolet Trailblazer 4.2L ECU ECM Electronic Control Module OEM 12597521

VIN Programmed 2004-2005 Chevrolet Colorado Engine Computer PCM 12597521

GMC TrailBlazer Envoy 2003 - 2005 Engine Computer ECM PCM 12574976 4.2L