Description
Left front window lift motor for PEUGEOT 307 3-door. !!! Not suitable for 307 CC convertible!!! Driver’s door
This is a direct-fit left front window motor designed for the Peugeot 307 (driver’s door, 3‑door body). It replaces the electric drive that powers the window regulator assembly and restores reliable up/down movement of the glass. The unit is often searched for by its part numbers, so reference 9637131280 and 9221CA when looking up compatibility or ordering replacement parts.
Features And Benefits
- Direct-fit unit for the left (driver) front door of Peugeot 307 3‑door models.
- Designed to interface with the vehicle’s existing regulator and electrical connector for straightforward replacement.
- Improves window operation when the original motor shows slow response, grinding or intermittent function.
- Ideal for professional workshops and competent DIY mechanics who service Peugeot vehicles.
Technical Information
- Manufacturer: Peugeot (Stellantis)
- Model: Peugeot 307 — Left Front (Driver) Door, 3‑door
- Product Codes: 9637131280, 9221CA
- Additional Numbers: No further cross-references provided
Replacement Procedure
Basic replacement steps for experienced mechanics and competent DIYers:
- Disconnect the negative battery terminal before starting to avoid short circuits and to protect vehicle electronics.
- Remove the inner door trim and moisture barrier to access the window regulator and motor.
- Support the glass in the fully up position (use tape or a wedge) and detach the glass from the regulator if necessary.
- Unplug the motor electrical connector and remove the mounting bolts that secure the motor to the regulator/door shell.
- Install the replacement motor, tighten fasteners to the manufacturer’s torque where available, reconnect the electrical connector and temporarily reconnect the battery to test operation.
- Reattach the glass to the regulator, verify smooth travel throughout the full stroke, then refit the moisture barrier and door trim.
Installation Recommendations
- Always disconnect the battery before removing or fitting the motor.
- Inspect the regulator tracks, cables and mounting points for wear or damage; a new motor on a worn regulator may fail prematurely.
- Use light, appropriate grease on regulator sliding points; avoid contaminating the motor electrical connector or internal gear surfaces.
- After fitting, cycle the window several times to ensure correct alignment and smooth operation before finishing reassembly.
- If the window movement requires adaptation or coding on vehicles with comfort modules, follow manufacturer procedures with the correct diagnostic tool.
Most Common Failure Reasons
- Wear Of Internal Gears Or Brushes: Repeated use leads to mechanical wear or electrical brush degradation causing slow or no movement.
- Water Ingress And Corrosion: Moisture inside the door can corrode gears or motor windings and damage connectors.
- Regulator Jamming Or Excessive Load: Bent tracks, damaged cables or seized regulator components place excess load on the motor and can burn it out.
- Electrical Issues: Poor connectors, wiring faults or switch problems can mimic motor failure — always verify supply and connector condition before replacement.
Who Should Fit This Part
Recommended for professional auto technicians and experienced DIYers familiar with door disassembly and vehicle electrical safety. If you are uncertain about removing door trim or testing electrical circuits, seek workshop assistance.
Note
Not Suitable For Peugeot 307 CC Convertible Models. Confirm door configuration (3‑door) before ordering. For fastest lookup, search using the product codes 9637131280 or 9221CA.








