Description
Left front window motor for Peugeot 307 3-door. !!! Not suitable for 307 CC convertible!!! Driver’s door
Description
Reliable electric motor for the left front window regulator of Peugeot 307 (3‑door), designed to drive the window up and down in the driver’s door. Ideal for professional garages and experienced DIY mechanics looking for a direct-fit replacement part. Commonly sought by its reference numbers, this motor restores smooth and quiet window operation when the original unit shows signs of wear.
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: Peugeot 307 (3‑door), Front Left (Driver’s Door)
- Product Codes: 9637131280, 9221CA
- Additional Numbers: 9221CA, 9637131280
Compatibility
Fits Peugeot 307 three‑door models for the driver’s door (left front). Not compatible with Peugeot 307 CC (convertible) — do not use on 307 CC applications.
Function And Symptoms Of Failure
The motor converts electrical input into rotational torque to drive the window regulator mechanism, moving the glass along its guide rails. Typical symptoms of a failing window motor include slow or intermittent window movement, grinding or rattling noises, complete lack of movement when the switch is activated, or the window moving unevenly and binding in the track.
Most Common Failure Causes
- Wear of internal brushes and commutator from prolonged use.
- Gear wear or broken plastic teeth inside the motor gearbox.
- Water ingress and corrosion inside the motor or connectors due to failed door seals.
- Seized bearings or increased friction in the regulator mechanism, overloading the motor.
- Damage from impact or abrupt force on the glass (e.g., frozen window forced by hand).
Installation Recommendations
- Disconnect the battery before starting work to prevent short circuits and accidental motor operation.
- Remove the door trim and moisture barrier carefully to access the regulator and motor assembly. Keep fasteners and clips organized for reassembly.
- Support the glass in the up position (tape or wedge) before unbolting the motor/regulator to prevent the window from dropping.
- Disconnect the electrical connector and remove the motor mounting bolts. Inspect regulator bolts and sliding channels for wear or damage.
- Install the replacement motor, reconnect the electrical plug, and test operation before refitting the door trim. Adjust regulator alignment if window tracks bind.
- After installation, verify smooth travel over the full range and check door seals for leaks that could allow water ingress.
Maintenance Tips
Keep window channels and regulator rails clean and lightly lubricated with an appropriate silicone or white lithium grease. Check door seals periodically and repair any damage to prevent moisture reaching the motor. If the regulator shows excessive play or damaged cables, replace the entire regulator assembly rather than only the motor to avoid repeat failures.
Why Choose This Part
Supplied under OEM-related references commonly used by professionals, this motor is a practical replacement for restoring reliable window operation on Peugeot 307 3‑door driver’s doors. Searching by part number (9637131280 / 9221CA) will help you find the correct unit quickly. Suitable for installers who expect a direct-fit component and want to minimize vehicle downtime.
Note For Professionals
When replacing window motors, always inspect the entire regulator mechanism and wiring for hidden damage. Correct diagnosis and proper installation ensure long service life and prevent repeated returns.
