(2003) GMC Truck-Sierra 1500 (1999 Up) AT, 5.3L, 4x4 AT Transmission - 120K-150K miles 300 GMC Truck-Sierra 1500 (1999 Up)

GMC Truck-Sierra 1500 (1999 Up) new style (mirrors mount on door skin)

5L Engine (2009) - 120K-150K miles

0L) MT Transmission (2001-2011) - 30K-60K miles

1L Engine (2008-2010) - 60K-90K miles

VIN 10 (4th and 5th digit)

(2003) GMC Truck-Sierra 1500 (1999 Up) AT, 5.3L, 4x4 AT Transmission - 120K-150K miles 300 GMC Truck-Sierra 1500 (1999 Up)GMC Truck Sierra 1500 (1999 Up) AT, 5. 3L, 4x4 AT Transmission (2003) 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, transmission