1990-1991 GMC R3500 7.4L V8. 1990-1991 GMC R3500 5.7L V8. 1989 GMC R3500 5.7L V8 VIN: K. 1987-1989 GMC R3500 7.4L V8 FI TBI. 1987-1988 GMC R3500 5.7L V8 FI TBI. Notes: Fuel Pump Wiring Harness. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
