Fits:
SIERRA 2500 PICKUP 01-05 Transmission; (LH fan shroud), (AT, 5 speed, Allison, opt M74)
SIERRA 3500 PICKUP 01-05 Transmission; (LH fan shroud), (AT, 5 speed, Allison, opt M74)
SILVERADO 3500 PICKUP 01-05 Transmission; (LH fan shroud), (AT, 5 speed, Allison, opt M74)
SILVERADO 2500 PICKUP 01-05 Transmission; (LH fan shroud), (Allison, AT, 5 speed, opt M74)