2011-2014 6.6L GMC Chevrolet LML Duramax Engine Control Module ECU ECM 12644940

2011-2014 LML Duramax ECM ECU Engine Computer 4x4 6.6l

OEM 2011-2014 Chevy Silverado GMC Sierra 2500HD 6.6L Duramax LML ECM ECU 1264137

2011 Chevrolet Silverado 3500HD 6.6L ECM/ECU computer module 12644940

2011-2014 6.6L GMC Chevrolet LML Duramax Engine Control Module ECU ECM 12641371

2011 Chevrolet Silverado 3500HD 6.6L ECM/ECU computer module 12644940

OEM 2004.5-2005 GM 6.6L Duramax LLY Engine Control Module ECM ECU 15246462

2010-2011 Chevrolet GMC 6.6L Engine Control Module ECM ECU 12644940 OEM Duramax