Parts Geek - For 1952-1953 Studebaker 2R17 Thermostat 23254RF 4.0L 6 Cyl. 1952-1953 Studebaker 2R17 4.0L 6 Cyl. 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.