Buy OEM 1990 Lexus Part # 8710650610 (87106-50610). DAMPER SERVO SUB-ASSEMBLY. HVAC Air Door Actuator - Repair or Replace If air is coming out of the wrong vents or at the wrong temperature

AIR CONDITIONER RADIATOR, NO. 3; AIR CONDITIONER RADIATOR, NO. 5.

Fits LS 500, LX 600

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 1990 Lexus may have a failed blend door actuator. Allow our technicians to service your HVAC system with genuine Lexus parts and factory approved tools.