Engine Computer Programmed Plug&Play 2008 Hummer H3 12630457 5.3L PCM ECM ECU

Engine Computer Programmed Plug&Play 2008 Chevy Tahoe 12617630 5.3L PCM ECM ECU

Engine Computer Programmed Plug&Play 2008 Buick Allure 12618767 5.3L PCM ECM ECU

Engine Computer Programmed Plug&Play 2008 Buick Allure 12622085 5.3L PCM ECM ECU

Engine Computer Programmed Plug&Play 2008 Buick Allure 12618587 5.3L PCM ECM ECU

Engine Computer Programmed Plug&Play 2009 Buick LaCrosse 12630457 5.3L PCM ECM

Engine Computer Programmed Plug&Play 2008 Buick Allure 12608599 5.3L PCM ECM ECU

Engine Computer Programmed Plug&Play 2008 Buick Allure 12622084 5.3L PCM ECM ECU