Notes: Engine Water Pump Gasket -- To block; 3-bolt hole gasket. 1970-1974 GMC G35/G3500 Van 5.7L V8. 1970-1973 GMC G35/G3500 Van 5.0L V8. Validated for fit, form, and function. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.