Description
BEHR heater blower fan for Citroën C4 and Peugeot 307 II
Premium BEHR heater blower motor designed as a direct-fit replacement for Citroën C4 and Peugeot 307 II HVAC systems. Ideal for professional workshops and experienced DIYers, this blower restores reliable airflow, cabin comfort and proper defogging performance. Frequently searched by product codes, the unit offers OE-level quality, quiet operation and robust construction to withstand daily use.
Key Features
Direct-fit replacement for original equipment blower motors. Durable motor construction and balanced impeller reduce vibration and noise. Restores heating and ventilation performance, improves cabin air circulation and ensures efficient window demisting. Suitable for mechanics and competent home technicians looking for a dependable HVAC repair part.
Technical Information
- Manufacturer: BEHR
- Model: Citroën C4; Peugeot 307 II
- Product Codes: B9506; 6441S6; U2331001; PF2A2
- Other Numbers: Stellantis / CITROEN / PEUGEOT identifiers referenced by sellers
Compatibility
Fits Citroën C4 and Peugeot 307 II models as indicated by the listed product codes. Always verify the code you are searching for (B9506, 6441S6, U2331001, PF2A2) to ensure correct fitment for your vehicle configuration.
Installation Recommendations
- Disconnect the battery before starting work to avoid short circuits and protect electronic components.
- Access the blower motor from the passenger footwell; removal of the glovebox or lower dash trim is commonly required on these models.
- Unplug the electrical connector and remove mounting screws or clips securing the motor housing and fan wheel.
- Inspect the blower housing, air inlet and connector for debris, corrosion or melted insulation. Clean the area before fitting the new unit.
- Before final reassembly, briefly test the blower at all speed settings to confirm correct operation and that there are no abnormal noises or vibrations.
- Replace the cabin air filter if contaminated, and inspect the blower resistor/module and wiring for faults when diagnosing intermittent or speed-related issues.
Why This Part Commonly Fails
- Worn Brushes Or Bearings: Over time, internal brushes and bearings wear out, causing reduced performance, noise or motor seizure.
- Debris And Blockage: Leaves, dust and foreign objects entering the air intake can damage the impeller or obstruct airflow.
- Moisture Ingress: Water or high humidity can corrode internal components and connectors, leading to electrical faults.
- Electrical Issues Upstream: Faulty blower resistors, poor grounding or damaged wiring can make the motor appear to fail.
- Age And Usage: Continuous use in urban stop/start conditions or prolonged fan operation accelerates wear.
Typical Service Life
Service life depends on use and conditions. Many blower motors remain reliable for several years, but heavy use, contaminated intake air or exposure to moisture will shorten lifespan. If the motor produces unusual noise, reduced airflow or intermittent operation, replacement is recommended.
Practical Tips
- Test the old motor before removal if possible to confirm failure mode (noise, no spin, intermittent).
- Check and clean the blower housing and air intake to prevent repeat failures.
- Inspect the connector and wiring harness for corrosion; repair or replace as needed to ensure reliable electrical contact.
- When fitting a new blower, ensure the impeller is correctly seated and not rubbing the housing to avoid noise and premature wear.
Recommendation
For reliable installation and diagnosis, an experienced technician or qualified mechanic is recommended. This BEHR blower fan offers a straightforward, effective repair solution to restore heating and ventilation performance in Citroën C4 and Peugeot 307 II vehicles.








