Parts Geek - For 1975-1977 GMC P35 Water Pump Gasket 23647NB 1976 5.7L V8. 1975-1977 GMC P35 5.7L V8. 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.
