(2020) GMC Truck-Sierra 3500 (2001 Up) (AT, 6.6L), gasoline, 4x4 AT Transmission - 60K-90K miles 1 Year Warranty 4L Engine (2012-2015) MT -

4L Engine (2012-2015) MT - 90K-120K miles

2ZZGE engine

8L Engine (2018-2020) - 90K-120K miles

(ID 2212704004) AT Transmission (2013) - 60K-90K miles

(2020) GMC Truck-Sierra 3500 (2001 Up) (AT, 6.6L), gasoline, 4x4 AT Transmission - 60K-90K miles 1 Year Warranty 4L Engine (2012-2015) MT -GMC Truck Sierra 3500 (2001 Up) (AT, 6. 6L), gasoline, 4x4 AT Transmission (2020) 60K 90K miles This used OEM transmission is listed as its own product for the 60K 90K miles option, so the price shown belongs to this exact mileage selection. It is a practical replacement choice for buyers who want an OEM style part without dealer new pricing. Please verify fitment before ordering. Match the year, make, model, engine size, drivetrain, VIN notes,