Part Type: HVAC Mode Door Actuator. HVAC Air Door Actuator. Style: HVAC Air Door Actuator. 2003 GMC Sierra 1500 Actuator Only; w/o Rear Passenger A/C Conrols in Center Console;. 2004 GMC Sierra 1500 Actuator Only; w/o Rear Passenger A/C Conrols in Center Console;.
