(2007-2010) GMC Truck-Sierra 3500 (2001 Up) AT, 6.6L, 4x4, w/o PTO AT Transmission - 30K-60K miles X6m 8L Engine (2001-2005) - 60K-90K

8L Engine (2001-2005) - 60K-90K miles

4x2 AT Transmission (2015) - 30K-60K miles

FWD) AT Transmission (2018-2020) - 60K-90K miles

6L Engine (2008-2009) - 30K-60K miles

AWD - Engine (2010-2011) - 60K-90K miles

(2007-2010) GMC Truck-Sierra 3500 (2001 Up) AT, 6.6L, 4x4, w/o PTO AT Transmission - 30K-60K miles X6m 8L Engine (2001-2005) - 60K-90KGMC Truck Sierra 3500 (2001 Up) AT, 6. 6L, 4x4, w o PTO AT Transmission (2007 2010) 30K 60K miles This used OEM transmission is listed as its own product for the 30K 60K 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,