LB7 Duramax ECM ECU 2500HD 3500 2001-2004 Controller 6.6L 12210729

02-04 Silverado Sierra 6.6 LB7 Duramax Diesel Engine Control Module OEM 12210729

12210729 GMC Sierra 6.6L Engine Computer ECM 2002 VIN Programmed Plug&Play

Engine Computer Programmed Plug&Play 2002 GMC Sierra 2500HD 6.6L Diesel 12209950

Engine Computer Programmed Plug&Play 2002 Chevy Silverado 2500HD Diesel 12210729

2001 GMC Sierra 2500HD 6.6L Diesel 12210729 Plug & Play

2003 GMC Sierra 2500HD 6.6L Diesel 12210729 Plug & Play

Engine Computer Programmed Plug&Play 2004 GMC Sierra 2500HD 6.6L Diesel 97780075