971591H050 Hyundai / KIA ACTUATOR-TEMP DR, Price: 45.00$, Weight: 0.105kg

HVAC Temperature Blend Door Actuator (Driver Side) for Hyundai/Kia ?❄️?

Keep your cabin climate precise and comfortable. This actuator moves the blend door inside the heater/AC box to mix hot and cold air. When the climate panel asks for a set temperature, the motor turns the door to the exact angle, giving steady heat, cool air, and fast defog.

Why this part is needed

It ensures accurate temperature control, quiet operation, and balanced airflow. Correct door position protects the compressor from short cycling and helps the windshield clear quickly in bad weather.

How it works

A compact DC motor drives plastic gears and a position sensor. The climate control module sends a command; the actuator rotates the shaft on the air-mix door, routing air through (or around) the heater core. Many systems self-calibrate at key-on.

What happens if it fails ⚠️

Only hot or only cold air, temperature different left/right, clicking or ticking behind the dash, slow or stuck movement, weak defrost, A/C cold at lines but warm at vents, and stored HVAC fault codes.

Pro install notes ?

Switch ignition off, align splines, do not force the hub. After fitting, run HVAC calibration (panel procedure or scan tool). Replace a dirty cabin filter to reduce load on the mechanism.

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