Description
Heater and Air Conditioning Blower Fan for Citroën C5 and Peugeot 407
High-quality replacement blower motor designed for the heating and air conditioning system of Citroën C5 and Peugeot 407 models. This blower fan restores reliable airflow for cabin heating and cooling, improves climate control performance and reduces noise and vibration caused by worn components. Ideal for professional workshops and experienced DIYers searching by product code or vehicle model — the unit matches common OEM references and fits directly into the original fan housing.
Technical Information
- Manufacturer: Stellantis (Citroën/Peugeot)
- Model: Citroën C5 II; Peugeot 407
- Product Codes: 4PUH-18456-BA
- Other Numbers: 6441S3
Function And Benefits
The blower fan provides forced airflow through the heater core and evaporator to regulate cabin temperature and defog windows. A correctly functioning blower ensures even distribution of warm or cold air, quieter cabin environment and reliable climate control response. Replacing a worn or noisy fan also prevents additional strain on the climate control resistor or blower motor module.
Installation Recommendations
- Prepare: Park on level ground, switch off ignition and disconnect the negative battery terminal for safety.
- Access: Remove lower dash trim or glovebox as required to reach the blower housing (vehicle-specific trim removal may be needed for C5 II and 407).
- Disconnect: Unplug the electrical connector and any vacuum or sensor lines attached to the housing.
- Remove: Unscrew the blower housing fasteners and withdraw the old fan assembly; note the orientation and any foam seals or gaskets.
- Fit New Unit: Install the replacement blower in the same orientation, replace seals if damaged, reconnect the electrical plug and reassemble trims.
- Check: Reconnect the battery, test all fan speeds and listen for abnormal noise. Verify proper operation of the blower regulator or fan speed module.
Common Reasons For Failure
- Bearing Wear: Bearings can deteriorate over time, causing increased noise and reduced rotation smoothness.
- Contamination: Leaves, dust and debris entering the intake cause imbalance and rubbing against the fan housing.
- Moisture And Corrosion: Water ingress or corroded connectors lead to intermittent operation or electrical failure.
- Electrical Issues: Faulty connectors, wiring or blower motor resistor/module faults can affect fan speed control.
- Age And Wear: Prolonged use accelerates mechanical and electrical wear; symptoms include reduced airflow, noise or complete stoppage.
Fitment Notes
This blower fan is commonly referenced by product codes and is suitable for Citroën C5 II and Peugeot 407 models. Buyers often locate the correct part by searching the product code; ensure the code listed here matches the number used in service documents or the original part.
Order this blower motor to restore quiet, consistent cabin airflow and reliable climate control performance for your Citroën C5 II or Peugeot 407.
