Description
This used BEHR heater servo motor (H1959 U b 13) is compatible with Citroën C4 and Peugeot 307 II models. The actuator controls air distribution within the vehicle HVAC system, directing warm or cold air to the correct vents to maintain cabin comfort.
The servo motor is a small electric actuator that moves blend doors and flaps inside the heater box. Over time the unit can fail due to mechanical wear of gears, stripped plastic components, motor winding fatigue or electrical connector issues. Symptoms of a failing servo include incorrect airflow direction, unusual clicking noises from the dash area, inability to change vent selection or inconsistent cabin temperature.
This used BEHR unit offers a cost-effective replacement option for mechanics and DIY enthusiasts who need to restore proper HVAC operation without the premium price of a new original part. It is suitable where the listed PSA part codes match the vehicle application.
Installation Notes: Prior to replacement disconnect the negative battery terminal. Access to the actuator typically requires removal of lower dash trim or glovebox depending on model. Unplug the electrical connector, remove fixing screws, transfer any linkage or lever arms in the same orientation and install the new unit. Reconnect the battery and verify full motion of vents through all HVAC modes. Follow vehicle manufacturer procedures and safety precautions during the replacement.
Technical Information:
Manufacturer: BEHR
Model: Citroën C4, Peugeot 307 II
Product Codes: 6447RF, EAD512, H1959 U b 13
Additional Numbers: 6447RZ
Fitment: Confirm compatibility with your vehicle using the PSA codes above; commonly fitted to select Citroën C4 and Peugeot 307 II variants. If in doubt, compare the physical connector and mounting points to the original unit before installation.
Common Causes Of Failure: Long service life and high mileage, worn internal gears or potentiometers, ingress of dust or moisture, and intermittent electrical contacts. Regular inspection of HVAC operation helps detect early signs of actuator wear.
Recommended For: Professional workshops and experienced DIY mechanics. Basic hand tools are usually sufficient for replacement, but consult the vehicle repair manual for model-specific instructions.
We guarantee the functionality of all our used parts and provide detailed information for each product to help ensure your satisfaction.
