Description
Overview
This heater fan (blower motor) is a direct-fit replacement for Citroën C5 I vehicles. Designed to restore proper cabin airflow and heating performance, it is often searched for by its product numbers 6441N7, NF664529T and F664529T. The unit is aimed at professional mechanics and experienced DIY enthusiasts who value clear fitment and reliable operation.
Function And Benefits
The heater fan circulates air through the vehicle’s heating and ventilation system, enabling cabin temperature control and demisting. A healthy blower motor ensures consistent airflow at all blower speed settings and contributes to climate comfort and safety by clearing windows quickly.
Common Failure Modes
- Worn brushes or electrical connections leading to intermittent operation or complete failure.
- Bearing wear causing increased noise or seized rotor.
- Debris, leaves or moisture ingress that obstructs the fan wheel or damages the motor.
Failure frequency depends on vehicle usage, environment and maintenance; high mileage, dusty conditions or repeated water exposure shorten service life.
Installation Notes
Replacement is typically straightforward for a trained technician or a competent DIYer. Basic steps include disconnecting the negative battery terminal, accessing the blower motor housing (commonly located under the glovebox or behind a lower dash panel), removing retaining screws and electrical connector, extracting the old motor and fitting the replacement. After installation, verify blower operation across all speed settings and check for unusual noises or vibration.
Compatibility And Fitment
This unit is intended for Citroën C5 I (first generation) models and is commonly referenced by the part numbers shown. Always verify fitment by comparing the existing part number and connector type before installation. Searching by product code 6441N7, NF664529T or F664529T will help locate the exact match.
Technical Information
- Manufacturer: PSA (Citroën / Peugeot)
- Model: Citroën C5 I
- Product Codes: 6441N7, NF664529T, F664529T
- Additional Numbers: –
If you are uncertain about compatibility, compare the product codes on your existing blower motor or consult a parts catalogue. The listed numbers are commonly used search references for this heater fan.
