1973 Chevrolet P10 Van w/o A/C;. 1974 Chevrolet P10 Van w/o A/C;. Part Type: HVAC Heater Core. Compatible Years: 1973 1974. Aluminum Heater Core. Heater Core. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.
