Shop 1986 Buick Century HVAC Air Inlet Door Actuator. 2nd design. Defroster valve. HVAC Air Door HEATER, Defroster, Valve - OEM Buick Part # 52489028 (52473133)

Defroster valve. HVAC Air Inlet Door Actuator.
1st design has one port on opposite sides, 2nd design has 2 ports on same side. An Actuator used to control the HVAC Air Inlet Door.

HVAC Air Inlet Door Actuator

Fits Grand Prix, Lumina, Monte Carlo

2nd design. Defroster valve.
HVAC Air Door Actuator - Repair or Replace
If air is coming out of the wrong vents or at the wrong temperature, or if you’re hearing a strange rhythmic clicking noise from your dashboard, your may have a failed blend door actuator. Allow our technicians to service your HVAC system with genuine parts and factory approved tools.