11-14 Chevrolet GMC 2500HD DURAMAX 6.6 LML OEM ENGINE COMPUTER ECU ECM 12649719

2012 Chevrolet Silverado Sierra 3500 6.6L Ecm 12649719 12648344 AA7X Tuned

2012 Chevy Silverado 2500 6.6L ECM ECU Engine Computer OEM 12649719

11-14 Chevrolet GMC 2500HD DURAMAX 6.6 LML OEM ENGINE COMPUTER ECU ECM 12649719

2012 Chevrolet GMC 6.6L Diesel Engine Computer Module P/N 12649719 OEM

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

11-14 Chevrolet GMC 2500HD DURAMAX 6.6 LML OEM ENGINE COMPUTER ECU ECM 12644941