(2020-2021) GMC Truck-Sierra 3500 (2001 Up) (AT, 6.6L), diesel, 4x4, ID OMEF AT Transmission - <30K miles X6m PTO AT Transmission (2014) -

PTO AT Transmission (2014) - 120K-150K miles

4L Engine (2014-2019) - 90K-120K miles

FWD AT Transmission (2015-2017) - 90K-120K miles

VIN F (5th digit

(2020-2021) GMC Truck-Sierra 3500 (2001 Up) (AT, 6.6L), diesel, 4x4, ID OMEF AT Transmission - <30K miles X6m PTO AT Transmission (2014) -GMC Truck Sierra 3500 (2001 Up) (AT, 6. 6L), diesel, 4x4, ID OMEF AT Transmission (2020 2021) <30K miles This used OEM transmission is listed as its own product for the <30K 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,