(2001-2002) GMC Truck-Sierra 2500 (1999 Up) AT, 8.1L, 4x4 AT Transmission - 30K-60K miles Corvette transmission ID HLB AT Transmission

transmission ID HLB AT Transmission (2005-2007) - 90K-120K miles

0L Engine (2013-2019) - 120K-150K miles

5L (4-150) MT Transmission (2001) - 120K-150K miles

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6L Engine (2015) - 60K-90K miles

(2001-2002) GMC Truck-Sierra 2500 (1999 Up) AT, 8.1L, 4x4 AT Transmission - 30K-60K miles Corvette transmission ID HLB AT TransmissionGMC Truck Sierra 2500 (1999 Up) AT, 8. 1L, 4x4 AT Transmission (2001 2002) 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, transmission