Parts Geek - For 1957-1958 Pontiac Chieftain Radiator Cap 56557KJ. 1958 Pontiac Chieftain 6.1L V8. 1957 Pontiac Chieftain 5.7L V8. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
