Parts Geek - For 1965-1966 Buick Gran Sport Thermostat 93363KGJC 6.6L V8. 1965-1966 Buick Gran Sport 6.6L V8. Larger opening for increased coolant flow. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
