Silverado 2004 1500 12586242 PCM ECM - Programmed to your VIN - 4.8L 5.3L 6.0L

Silverado 1500 2004 04 Engine Computer ECM PCM 12586242 - Programmed to your VIN

Chevy SSR 2004 5.3L Engine Computer ECM PCM 12586242 - Programmed to your VIN

Rainier 2004 5.3L Buick Engine Computer ECM PCM 12586242 Programmed to your VIN

2004 Envoy 5.3L Engine computer 12586242 "Programmed to your VIN" ECM PCM ECU

Tahoe 2004 5.3L 6.0L Engine Computer ECM PCM 12586242 - Programmed to your VIN

Avalanche 2004 Engine Computer ECM ECU PCM 12586242 -Programmed to your VIN #

Yukon 2004 5.3L 6.0L Engine Computer ECM PCM 12586242 - Programmed to your VIN