Description
BEHR heater blower for CITROËN C4 and PEUGEOT 307 II
High-quality BEHR heater blower designed as a direct-fit replacement for Citroën C4 and Peugeot 307 II vehicles. This heater fan unit restores reliable cabin airflow for heating, ventilation and air-conditioning systems, delivering quiet operation and consistent performance. Frequently searched under part numbers 6441.Y7, 6441Y7, B9506 or u2331001, this blower motor is an ideal choice for professional workshops and DIYers who need a dependable, easy-to-install replacement part.
Technical Information
- Manufacturer: BEHR
- Model: Citroën C4, Peugeot 307 II
- Product Codes: B9506, 6441.Y7, 6441Y7
- Other Numbers: u2331001, pf2a1
Application and Compatibility
Intended for use as the heater blower (cabin fan) in compatible Citroën C4 and Peugeot 307 II models. Often referenced by the above product codes in parts catalogs and online searches. Verify fitment by matching the unit shape, connector type and mounting points to the original component on the vehicle.
Function and Typical Symptoms
The heater blower circulates air through the HVAC box, providing cabin heating, ventilation and air-conditioning airflow. When the blower fails, common symptoms include reduced airflow from vents, unusual noise (rubbing/grinding or rattling), intermittent operation or complete loss of fan function. Faults may appear gradually (increased noise, slower spin) or suddenly (fan stops working).
Common Causes Of Failure
- Worn Carbon Brushes Or Commutator Wear Causing Poor Electrical Contact
- Bearing Wear Leading To Excessive Play, Noise Or Seizure
- Ingress Of Debris, Leaves Or Moisture Causing Blockage Or Corrosion
- Overheating Due To Blocked Cabin Filter Or Faulty Blower Resistor
- Electrical Issues Such As Corroded Connectors Or Blown Fuses
Replacement Procedure (General Guide)
Suitable for experienced mechanics and competent DIYers. Procedures vary slightly by model and year; follow vehicle manufacturer instructions where available.
- Disconnect The Battery Before Starting Work To Avoid Short Circuits.
- Access The Blower Motor Typically From The Passenger Footwell—Remove Glovebox Or Lower Dash Trim As Required.
- Disconnect The Electrical Connector And Any Associated Harness Clips.
- Remove Mounting Screws Or Bolts Securing The Blower Housing And Extract The Old Unit.
- Compare New Unit With The Old One: Check Connector Pinout, Mounting Points And Fan Direction.
- Install New Blower, Secure Fasteners, Reconnect Electrical Connector, And Refit Trim/Glovebox.
- Reconnect The Battery And Test All Fan Speeds And HVAC Functions Before Final Reassembly.
Installation Recommendations
- Always Disconnect The Battery Before Removal To Prevent Electrical Damage.
- Inspect And Replace The Cabin Filter If Contaminated; A Blocked Filter Increases Load On The Blower.
- Check The Blower Resistor, Fuses And Connectors While Replacing The Motor; Replace Faulty Components.
- Use Suitable Tools And Avoid Over-Tightening Fasteners; Apply A Small Amount Of Dielectric Grease To Electrical Connectors If Needed.
- Test The Unit Through All Fan Speeds Before Fully Reassembling The Dashboard.
Why This Part Is Often Searched By Number
Technicians and DIYers frequently search by part number (e.g., 6441.Y7, B9506, u2331001) to quickly identify compatible blower motors and ensure they receive the correct unit. Using the correct reference reduces diagnostic time and avoids returns due to fitment issues.
Notes For Professionals
When replacing the heater blower, evaluate the entire HVAC airflow path—blocked filters, damaged ducts or a failing blower resistor can cause repeat failures. Replacing the blower and addressing root causes will restore comfort and prevent premature repeat repairs.
Search Keywords
Heater Blower, Blower Motor, BEHR Blower, Citroën C4 Heater Fan, Peugeot 307 II Blower, 6441.Y7, B9506, u2331001
