(2007-2010) GMC Truck-Sierra 3500 (2001 Up) AT, new style (smooth door skin), 6.6L, 4x4, PTO AT Transmission - 120K-150K miles 2007 6L Engine (2011-2014) - 60K-90K

6L Engine (2011-2014) - 60K-90K miles

turbo) MT Transmission (2018-2019) - <30K miles

John Cooper Works AT Transmission (2018-2019) - 90K-120K miles

8HP70) AT Transmission (2018) - <30K miles

(2007-2010) GMC Truck-Sierra 3500 (2001 Up) AT, new style (smooth door skin), 6.6L, 4x4, PTO AT Transmission - 120K-150K miles 2007 6L Engine (2011-2014) - 60K-90KGMC Truck Sierra 3500 (2001 Up) AT, new style (smooth door skin), 6. 6L, 4x4, PTO AT Transmission (2007 2010) 120K 150K miles This used OEM transmission is listed as its own product for the 120K 150K 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