1978 GMC C35 5.0L V8. 1976-1978 GMC C35 6.6L V8. 1975-1978 GMC C35 5.7L V8. Notes: Engine Water Pump Gasket -- To block; 3-bolt hole gasket. 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.
