1959 Chevrolet 3B 3.8L 6 Cyl GAS. 1959 Chevrolet 3B 4.6L V8 GAS. Notes: Radiator Cap/Cooling System Tester Adapter -- System adapter on tester. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
