Parts Geek - For 1987-1989 GMC R2500 Water Pump Gasket 45328YF 1988. 1987 GMC R2500 5.0L V8. 1987-1989 GMC R2500 5.7L V8. 1987 GMC R2500 4.3L V6. Notes: Engine Water Pump Gasket -- To block. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
