Engine Computer Programmed Plug&Play 2005 Chevy Colorado 12597777 YLCB 3.5L ECM

Engine Computer Programmed Plug&Play 2004 Chevy Colorado 12589585 YHLY 3.5L ECM

Engine Computer Programmed Plug&Play 2004 Chevy Colorado 12597777 YLCB 2.8L ECM

Engine Computer Programmed Plug&Play 2004 Chevy Colorado 12593532 YJHX 2.8L ECM

Engine Computer Programmed Plug&Play 2004 Chevy Colorado 12593532 YJHX 3.5L ECM

Engine Computer Programmed Plug&Play 2004 Chevy Colorado 12594431 YKAW 3.5L ECM

Engine Computer Programmed Plug&Play 2004 Chevy Colorado 12589311 YHKN 3.5L ECM

Engine Computer Programmed Plug&Play 2004 Chevy Colorado 12596784 YKWJ 3.5L ECM