07-10 Chevy Silverado GMC Sierra 6.6L Engine Computer ECM 12628593 Programmed

07-10 GMC Sierra/ Savana 2500 6.6L Engine Computer PCM ECU 12618274 Programmed

07-10 Chevrolet Silverado 6.6L Engine Computer PCM ECM ECU 12628739 Programmed

07-10 GMC Sierra/Silverado 2500 6.6L Engine Computer PCM ECU 12617102 Programmed

07-10 GMC Sierra/ Savana 2500 6.6L Engine Computer PCM ECU 12617100 Programmed

06-07 Chevy Silverado 2500 6.6L Engine Computer PCM ECM ECU 12604137 Programmed

06-07 Chevy Express 2500 6.6L Engine Computer PCM ECM ECU 12606126 Programmed

2007-09 Savana 6.6L Engine computer 12609441 "Programmed to your VIN" ECM PCM