Description
VALEO Fan Regulator for Citroën and Peugeot vehicles. Supplied with a piece of wiring.
This VALEO fan speed regulator is a direct-fit replacement designed for a range of Citroën and Peugeot models. Intended for professional garages and DIY mechanics, the unit controls the cooling fan(s) to maintain optimal engine temperature and support air conditioning performance. Supplied with a short wiring harness, the module simplifies installation and reduces the need for additional parts.
Key Benefits
Reliable fan speed control to prevent engine overheating and to ensure efficient A/C performance. Compatible with original equipment wiring shapes and connectors for straightforward mounting. Using a proper regulator reduces stress on the fan motor and electrical system, helping to extend component life.
Compatibility
Fits various Citroën and Peugeot models. Typical fitment (examples):
- Citroën C2
- Citroën C3
- Citroën C3 Pluriel
- Citroën C5
- Peugeot 607
Technical Information
- Manufacturer: Valeo
- Model: Citroën / Peugeot (see compatibility list)
- Product Codes: 6441L2, 6441P3, 6442P3
- Other Numbers: Stellantis Citroën Peugeot
Function
The regulator controls the cooling fan speed—often by PWM (pulse width modulation) or variable voltage—based on inputs from the engine control system and temperature sensors. Proper regulation keeps engine temperature within the correct range, assists the air conditioning system under load, and prevents the cooling fan from running continuously or failing to start when required.
How To Replace
Basic replacement steps for experienced technicians or competent DIYers:
- Park vehicle on level ground, allow engine to cool completely.
- Disconnect the negative battery terminal before starting work.
- Locate the fan regulator—typically mounted near the radiator or attached to the fan assembly depending on model.
- Remove any obstructing covers, air ducts or fan shroud access panels to reach the unit.
- Unplug the electrical connector(s) and remove the retaining screws or clips holding the regulator in place.
- Fit the new regulator with the supplied wiring piece if required, secure with original fasteners, reconnect the connector(s) and reassemble removed parts.
- Reconnect the battery and verify fan operation and temperature behavior during a controlled engine run.
Installation Recommendations
- Always disconnect the battery before starting any electrical work.
- Use correct tools and avoid twisting or stressing connector pins and wiring during installation.
- Check connector contacts for corrosion and apply dielectric grease if appropriate to improve long-term reliability.
- Ensure cooling system is intact and radiator mounting points are secure—vibration and coolant leaks shorten regulator life.
Why This Part Fails Most Often
Common failure causes include heat cycling and thermal stress, water ingress or corrosion at connectors, mechanical vibration damage, and short circuits or overloads from a failing fan motor. In many cases the wiring or connector becomes brittle or corroded, causing intermittent operation before full failure. Replacing the unit and addressing the root cause (faulty fan motor, connector corrosion, coolant leaks) prevents repeat failures.
Notes For Purchase
Customers often search by product code—verify the code shown in the listing matches the replacement number you need. The unit is supplied with a piece of wiring harness to ease installation. Intended for professional fitting or experienced DIY mechanics familiar with cooling system and electrical work.
