73540FL000 Subaru THMS THERMO ASSY, Price: 22.84$, Weight: 0.447kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Subaru |
73540FL000 |
THMS THERMO ASSY |
9 |
0.447 |
7-10 |
22.84$ |
Originals
Cabin Thermo Sensor Assembly for Subaru Climate Control 🌡️
Keep your HVAC accurate and smooth with this OEM-grade cabin temperature sensor. It constantly reads in-car air and reports to the climate control unit, delivering fast warm-up, stable cooling, and better defog performance while protecting A/C parts.
Why this part is needed 🔧
Use it when cabin temperature swings, fan speed hunts, or windows fog for no clear reason. A healthy sensor restores precise feedback, prevents evaporator icing, improves defrost speed, and reduces compressor short-cycling for improved comfort and efficiency.
How it works ❄️🔥
Inside sits an NTC thermistor. Its resistance changes with air temperature. An aspirator draws cabin air over the tip; the HVAC ECU reads the signal and modulates blend doors, blower, and A/C clutch to hit the set point smoothly and quietly.
What happens if it fails ⚠️
Expect weak heat or overcooling, slow demist, random airflow, or an A/C lamp that blinks. The compressor may short-cycle, the evaporator can freeze, and fault codes for interior temp sensor may store. Comfort drops and glass fogging risk rises.
Install notes 🧰
Located in the dash/aspirator grille. Unplug the connector, unclip or twist out, fit the new unit. Avoid touching the sensing bead; clean the intake port. Clear HVAC codes and run self-check after install.
Compatibility
- Impreza
- Xv