1987 Chevrolet R20 w/ A/C;. 1988 Chevrolet R20 w/ A/C;. Part Type: HVAC Heater Core. Aluminum Heater Core. Heater Core. Compatible Years: 1987 1988. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.
