Part Type: HVAC Recirculation Door Actuator. HVAC Air Door Actuator. Style: HVAC Air Door Actuator. Air Door Actuator. 1999 GMC Sierra 1500. 2000 GMC Sierra 1500. Door Linkage: Female. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.
