(2014-2015) GMC Truck-Sierra 2500 (1999 Up) AT, 6.6L, 4x2, w/o model year break point AT Transmission - 30K-60K miles Flex 4L AT Transmission (2015-2017) -

4L AT Transmission (2015-2017) - 60K-90K miles

AWD - Transmission (2021-2022) - 60K-90K miles

Acura EL AT AT Transmission (2002) - 90K-120K miles

VIN 64 (6th and 7th digit

2L Engine (2015-2022) - 60K-90K miles

(2014-2015) GMC Truck-Sierra 2500 (1999 Up) AT, 6.6L, 4x2, w/o model year break point AT Transmission - 30K-60K miles Flex 4L AT Transmission (2015-2017) -GMC Truck Sierra 2500 (1999 Up) AT, 6. 6L, 4x2, w o model year break point AT Transmission (2014 2015) 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,