The Valeo heater blower fan is a direct-fit replacement part designed for Citroén and Peugeot vehicles. Compatible with common PSA part numbers, this unit restores consistent cabin airflow and heating performance. Suited for professional mechanics and experienced DIYers who require reliable, OEM-style components.

Key Features

• Direct-fit replacement by Valeo for seamless installation
• Restores warm-air circulation through the heater core for fast cabin heating
• Durable construction designed for long service life
• Compatible with listed manufacturer codes for straightforward part matching

Compatibility

Fits Citroén XSARA II and Berlingo I, and Peugeot Partner I models. Always verify the part number on your vehicle or existing component before ordering to ensure correct fitment.

Installation & Maintenance

Basic replacement steps: disconnect the battery, access the blower assembly (commonly located behind the glove box or under the dashboard), unplug the electrical connector, remove mounting screws or clips, swap the blower, then reconnect and test. Inspect related items such as fuses, wiring and the blower motor resistor or control module if the new unit does not operate immediately.

Common Failure Modes

Typical causes of blower malfunction include worn motor brushes, damaged bearings, foreign objects obstructing the fan wheel, or electrical faults in the resistor, control module or wiring. Symptoms include reduced airflow, loud or unusual noise, or intermittent operation.

Technical Information

• Manufacturer: Valeo
• Model: Citroén XSARA II; Berlingo I; Peugeot Partner I
• Product Codes: 6441L3, 644178
• Additional Numbers: 6441N3, 6441K4

Key Benefits

• Direct replacement for original Valeo heater blower units used in selected Citroën and Peugeot models.
• Restores proper cabin airflow for heating, ventilation and defogging functions.
• Simplifies diagnosis by matching common part numbers (see Technical Information).
• Suitable for professional mechanics and experienced DIY enthusiasts.

Function And Common Faults

The heater blower fan circulates air through the vehicle heater core and HVAC ducting, providing cabin heating, ventilation and helping to demist windows. Typical failure modes include worn bearings, brush or commutator wear in the motor, contamination from leaves or debris, and electrical connector or wiring faults. Symptoms of a failing blower include reduced or intermittent airflow, unusual noise from the ventilation area, or total loss of fan operation. Failures are more common in vehicles with high mileage, heavy use of ventilation, or where external debris can enter the intake.

Replacement Guidance

Replacement is straightforward for technicians familiar with PSA HVAC layouts. General steps:

• Disconnect the vehicle battery before starting electrical work.
• Access the blower housing (commonly located under the glovebox or behind the lower dash panel).
• Remove any trim or covers, unplug the electrical connector and remove retaining screws or clips.
• Extract the old blower assembly, fit the new Valeo unit, reconnect the connector and secure all fasteners.
• Reconnect the battery and test blower speeds and operation across settings.

If you are unsure about access panels or wiring, consult a service manual for the specific model or seek assistance from a qualified technician.

Durability And Maintenance

Service life depends on use and environment. Regularly clearing intake areas of leaves and debris and ensuring cabin filters are replaced on schedule reduces strain on the blower motor. Electrical checks for connectors and fuses can prevent premature failures. When diagnosing poor airflow, always rule out clogged cabin filters and duct obstructions before replacing the blower motor.

Technical Information

• Manufacturer: Valeo
• Model: Citroën Xsara II; Citroën Berlingo I; Peugeot Partner I
• Product Codes: 6441N3, 6441L3, 644178, 6441K4
• Other Numbers: Commonly referenced under PSA part listings and aftermarket catalogs using the codes above

This Valeo blower fan fits PSA heating systems and is commonly searched for by its product numbers. Always verify compatibility with the vehicle VIN or parts catalogue before ordering to ensure correct fitment.