(2011) GMC Truck-Sierra 2500 (1999 Up) AT, 6.0L, 4x4, ID 1DGA AT Transmission - 120K-150K miles 2.5 police package (opt Z56) -

police package (opt Z56) - Anti-Lock Brake Pump (2000) - ABS

6L Engine (2001-2006) - 60K-90K miles

0L (M40i) AT Transmission (2020) - 90K-120K miles

(transmission ID KZS) MT Transmission (2011) - 60K-90K miles

(2011) GMC Truck-Sierra 2500 (1999 Up) AT, 6.0L, 4x4, ID 1DGA AT Transmission - 120K-150K miles 2.5 police package (opt Z56) -GMC Truck Sierra 2500 (1999 Up) AT, 6. 0L, 4x4, ID 1DGA AT Transmission (2011) 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 size, drivetrain, VIN notes,