Notes: HVAC Blend Door Actuator. Detailed Notes: HVAC Heater Blend Door Actuator for GMC Sierra 1500 2500 HD Buick Isuzu Olds Saab. Actuator: Air Inlet, Temperature, Mode, Recirculation. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
