Engine Computer Programmed Plug&Play 2005 Chevy Silverado 1500 12589463 5.3L ECM

Engine Computer Programmed Plug&Play 2006 Chevy Silverado 1500 12589162 5.3L ECM

03-06 Chevy Tahoe Yukon Engine Control Module Computer ECM 2003-2006 12589162

03-06 CHEVROLET TAHOE 5.3L AT ENGINE CONTROL UNIT MODULE ECU ECM 12589463 OEM

Engine Computer Programmed Plug&Play 2003 Chevy Silverado 1500 89017734 5.3L ECM

2003 - 2006 Chevrolet Silverado 5.3L Engine Computer ECM ECU 12589463 YHZS

03-06 Chevy & GMC Silverado/Sierra/Yukon Engine Control Unit ECU OEM (12589463)