Description
Heater and air conditioning blower for PEUGEOT 406, 607
This replacement heater/air conditioning blower is designed for Peugeot vehicles and offers reliable cabin airflow for heating and climate control systems. Built to fit the installation points used on PEUGEOT 406 and 607 models, the unit restores proper ventilation performance, reduces noise from worn motors, and ensures consistent blower speeds across the full range. Ideal for professional mechanics and experienced DIYers searching by part number (659963H, 6441K9).
Key Features And Benefits
High-quality electric blower motor assembly engineered for direct fitment. Restores cabin airflow for fast defogging and even temperature distribution. Typical benefits include reduced rattles and vibration compared with worn originals, consistent performance at all fan speeds, and compatibility with original electrical connectors to simplify replacement.
Compatibility
Suitable For: Peugeot 406, Peugeot 607. Confirm fitment against the vehicle’s existing blower motor and part numbers if available. The most common cross-reference codes for this unit are listed below.
Installation Overview
Replacement of the blower motor is a medium-difficulty job suited to workshops and competent DIYers. Typical steps:
- Disconnect The Battery Before Starting Work To Avoid Short Circuits.
- Access The Blower Motor Usually From The Passenger Footwell Or Under The Glovebox; Remove Trim Panels Or Glovebox As Required.
- Disconnect The Electrical Connector And Any Associated Resistor Or Control Module.
- Remove Mounting Screws Or Clips Securing The Blower Motor And Carefully Extract The Unit.
- Install The New Blower Motor, Secure Fasteners Evenly, Reconnect Electrical Plug And Any Resistor/Control Connectors.
- Reinstall Trim, Reconnect The Battery And Test All Fan Speeds And Airflow Direction; Check For Unusual Noises Or Vibration.
Installation Recommendations
- Inspect The Blower Wheel For Debris And Clean The Air Intake Paths To Prevent Rapid Re-Failure.
- Replace The Cabin Air Filter When Accessible To Improve Airflow And Reduce Load On The Motor.
- Check Fuses, Connectors And Wiring For Corrosion Or Damage; Repair Faulty Connections Before Final Assembly.
- Use Correct Fastener Torque And Avoid Over-Tightening Plastic Mounting Points.
- After Installation, Verify Operation On All Speed Settings And Ensure There Are No Rattles Or Squeaks.
Common Failure Causes
Blower motors typically fail due to mechanical wear or environmental contamination. The most frequent causes are worn bearings or brushes (resulting in increased noise or motor seizure), ingress of dust, leaves or moisture into the fan housing, and electrical issues such as corroded connectors or a failed blower resistor resulting in loss of some speed settings. Prolonged use at high speeds or blocked air inlets can shorten service life.
Technical Information
- Manufacturer: Stellantis (Peugeot / Citroën)
- Model: Peugeot 406, Peugeot 607
- Product Codes: 659963H, 6441K9
- Other Numbers: NFP
Designed For Professional Fitment And DIY Repair — The unit provides the necessary airflow performance for heating and air conditioning systems on the listed Peugeot models. Use correct diagnostic and service procedures when removing and installing HVAC components.





