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

Engine Computer Programmed Plug&Play 2002 GMC Sierra 2500HD 6.6L Diesel 12210729

2004 Chevrolet Silverado 6.6L ECU/ECM 12210729 *VIN PROGRAMMED*

12210729 02 03 04 Silverado 6.6L Duramax Engine Control Module ECM ECU OEM

2002-2004 Silverado Sierra 2500 3500 6.6L LB7 Duramax Engine Control Module

12210729 GMC Sierra 6.6L Engine Computer ECM 2004 VIN Programmed Plug&Play

Engine Computer Programmed Plug&Play 2003 Chevy Silverado 6.6L PCM ECM OEM

12210729 2003 GMC Sierra 6.6L Plug & Play ECM PCM | 12210729