This listing is for a Transmission control module that is programmed/flashed for your vehicle with the newest updates from GM using your VIN to match your vehicle. After you purchase the TCM you will need to provide us with your VIN so we can program the TCM before we ship it to you. The part is compatible with the following service numbers (SERV NO): 15768288 15071240 15163072 15163073 15169833 15169834 15169835 15183963 15187103 15187104 29537441 09385220 09387820
This part will fit these makes and models with these options
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)
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)