10-16 Chevy Express Savanna Duramax ECM 12645287

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

10 11 Chevrolet GMC LML LGH 6.6L Engine Control Module ECM ECU 12641371 12618516

2010-2011 Chevrolet GMC 6.6L Engine Control Module ECM ECU 12652526 OEM Duramax

Silverado 6.6L Engine Control Module ECU 12641372 LML

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

16-18 Chevrolet Silverado 5.3L 4x4 Engine Control Module ECU ECM OEM 12678939

2011 Silverado Sierra 2500 3500 WIRING HARNESS PLUG ONLY PIGTAIL(MATCH 12652526)