(2011-2012) GMC Truck-Sierra 2500 (1999 Up) AT, 6.6L, 4x2 AT Transmission - 90K-120K miles 4.4 Z51 AT Transmission (2015-2017) -

Z51 AT Transmission (2015-2017) - 90K-120K miles

w/o adaptive cruise - Anti-Lock Brake Pump (2016) - ABS

E63 - Engine (2007-2009) - 60K-90K miles

2L Engine (2000-2001) - 120K-150K miles

RWD - Engine (2008-2009) - 30K-60K miles

(2011-2012) GMC Truck-Sierra 2500 (1999 Up) AT, 6.6L, 4x2 AT Transmission - 90K-120K miles 4.4 Z51 AT Transmission (2015-2017) -GMC Truck Sierra 2500 (1999 Up) AT, 6. 6L, 4x2 AT Transmission (2011 2012) 90K 120K miles This used OEM transmission is listed as its own product for the 90K 120K 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,