1961-1962 Chevrolet P20 Series Base 4.6L V8. Notes: Engine Coolant Thermostat Housing Assembly. Detailed Notes: 45 Water Outlet Thermostat Housing for Chevrolet Malibu 1964-1967 Impala Camaro. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.