Engine Computer Programmed Plug&Play 2004 Chevy Colorado 12569773 3.5L ECM PCM

Engine Computer Programmed Plug&Play 2004 Chevy Colorado 12591647 YHZL 2.8L ECM

Engine Computer Programmed Plug&Play 2004 Chevy Colorado 12597521 YLAW 3.5L ECM

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

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

Engine Computer Programmed Plug&Play 2006 Chevy Colorado 12591647 YHZL 3.5L ECM

Engine Computer Programmed Plug&Play 2004 Chevy Colorado 12600818 YLXZ 3.5L ECM

Engine Computer Programmed Plug&Play 2004 Chevy Colorado 12606369 YNAZ 3.5L ECM