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

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

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

Trailblazer 2004 04 5.3L Engine Computer ECM PCM 12586242 Programmed to your VIN

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

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

Silverado 2500HD 2004 Engine Computer ECM PCM 12586242 -Programmed to your VIN #

Suburban 2004 1500 12586242 PCM ECM - Programmed to your VIN - 5.3L