2011-2014 Chevrolet GMC 6.6l Duramax | ECU ECM PCM | 12654884 | Programmed

11-14 CHEVY GMC 2500HD DURAMAX 6.6 LML ENGINE COMPUTER ECU ECM 12654884 #W496

2014 Chevy 2500/3500 6.6L LML Duramax ECM P# 12654884

13-14 Silverado 3500 6.6L Duramax Motor Engine Control Module ECM ECU PCM PCU OE

Engine Computer Programmed 2014 Chevy Express 2500 12655121 ABLS 6.6L ECM PCM

2011-204 CHEVY GMC 2500HD DURAMAX 6.6 LML ENGINE COMPUTER ECU ECM 12654884 #1444

2013 Chevy 2500/3500 6.6L LML Duramax ECM P# 12654884