1989 GMC Pick-up Truck Driveshaft C2500 - Standard Cab Pickup - RWD - Manual Trans. - 4 Spd. - 96.0 in. Bed - 131.5 in. Wheelbase - 2 Piece Shaft Assembly - w/o RPO Code 1TA (Full Floating Axle) - Rear guaranteed to replace your current 1989 GMC Pick-up Truck Driveshaft C2500 - Standard Cab Pickup - RWD - Manual Trans. - 4 Spd. - 96.0 in. Bed - 131.5 in. Wheelbase - 2 Piece Shaft Assembly - w/o RPO Code 1TA (Full Floating Axle) - Rear. 1989 GMC Pick-up Truck Driveshaft comes new OEM 1989 GMC Pick-up Truck Driveshaft aftermarket new 1989 GMC Pick-up Truck Driveshaft of remanufactured 1989 GMC Pick-up Truck Driveshaft C2500 - Standard Cab Pickup - RWD - Manual Trans. - 4 Spd. - 96.0 in. Bed - 131.5 in. Wheelbase - 2 Piece Shaft Assembly - w/o RPO Code 1TA (Full Floating Axle) - Rear.