1989 GMC P3500 4.8L 6 Cyl. 1989 GMC P3500 7.4L V8. 1989 GMC P3500 6.2L V8. 1989 GMC P3500 5.7L V8. 1984-1988, 1990 GMC P3500. Notes: Relay. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
