B5244S6 engine (California) AT Transmission (2003-2004) - 60K-90K miles
w/o EGR valve 6
4L Engine (2014-2015) - 60K-90K miles
6th digit) - Engine (2018) - 30K-60K miles
AWD - Engine (2009) - 60K-90K miles
(2012) GMC Truck-Sierra Denali 2500 (2011 Up) AT, 6.0L, 4x2, ID 2DCA AT Transmission - 90K-120K miles Cadillac B5244S6 engine (California) AT TransmissionGMC Truck Sierra Denali 2500 (2011 Up) AT, 6. 0L, 4x2, ID 2DCA AT Transmission (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,