1988 Chevrolet R30 Engine: 4.8L L6;. 1988 Chevrolet R30 Engine: 5.7L V8;. 1988 Chevrolet R30 Engine: 6.2L V8;. 1988 Chevrolet R30 Engine: 7.4L V8;. HVAC Blend Door Actuator. HVAC Actuator. IMPORTANT: To confirm that this part fits your vehicle, enter your vehicles Year, Make, Model, Trim and Engine in the Compatibility Table.
