2008 Chevrolet Silverado 5.3L Engine Computer VIN Programmed ECM PCM 12612397

2007 GMC Yukon XL 5.3L Engine Computer VIN Programmed ECM PCM 12597121

2009 GMC Sierra 4.3L Engine Computer VIN Programmed ECM PCM 12612397

2007 Chevrolet Avalanche 5.3L Engine Computer VIN Programmed ECM PCM 12597121

2007 Chevrolet Tahoe 5.3L Engine Computer VIN Programmed ECM PCM 19210738

12612397 2008 GMC SIERRA 1500 5.3L FLEX FUEL PROGRAMMED ENGINE COMPUTER ECM PCM

2008 Chevrolet Impala 3.5L Engine Computer VIN Programmed ECM PCM 12612397

2008 Silverado 4.3L Engine Computer 12612397 "Programmed to your VIN" ECM PCM