Description
Window regulator mechanism for the left rear window for PEUGEOT 308 T9. Driver’s side rear door.
This replacement window regulator mechanism is designed for the left rear (driver’s side rear) door of the Peugeot 308 T9. Ideal for professional workshops and experienced DIY mechanics, the unit restores reliable window movement, reduces noise and vibration, and meets the fitment expectations for OEM-style parts. Commonly searched by part numbers, this regulator is a direct-fit solution that simplifies repair work on electric window systems.
Key Benefits
- Direct-fit mechanism for easy replacement in Peugeot 308 T9 rear left door.
- Restores smooth operation of the window: reliable raising and lowering with reduced rattles.
- Suitable for professional installation and competent DIYers with basic tools.
- Often referenced by product codes for fast lookup during repair planning.
Compatibility And Application
Fits: Peugeot 308 T9 – Left Rear (Driver’s Side) Door. Confirm door position before ordering.
Technical Information
- Manufacturer: Stellantis (Peugeot/Citroën)
- Model: Peugeot 308 T9 (Left Rear / Driver’s Side Rear Door)
- Product Codes: 9800273480
- Additional Numbers: 9826080480
Installation Recommendations
- Preparation: Park the vehicle on level ground and ensure ignition is off. For safety, disconnect the negative battery terminal before starting electrical work.
- Door Trim Removal: Remove the door card carefully—start by releasing trim clips and unscrewing fasteners. Keep fasteners organized for reassembly.
- Glass Support: Before removing the regulator, secure the glass in the closed or supported position with tape or a helper to prevent it from dropping.
- Disconnect Electrical Connector: Unplug the window motor connector and any door module connectors as needed.
- Remove Old Mechanism: Unscrew the regulator and motor mounting bolts, detach the glass from the regulator, and extract the assembly through the access opening.
- Install New Unit: Position the new regulator, bolt it loosely, reattach the glass, then tighten fasteners to manufacturer torque where available. Reconnect the motor connector and temporarily reconnect the battery to test operation before refitting the door trim.
- Final Check: Verify smooth travel through full stroke, listen for unusual noises, and ensure glass seals correctly against the frame. Refit the door card and all trim pieces.
- Tools Commonly Required: Torx and Phillips screwdrivers, socket set, trim removal tools, protective gloves, and masking tape or glass support.
Why This Part Commonly Fails
- Wear And Tear: Frequent use leads to motor brush wear, cable stretch or fraying, and degradation of plastic guides and rollers.
- Water Ingress And Corrosion: Moisture inside the door can corrode metal components and seize moving parts, accelerating failure.
- Impact Or Misalignment: Door impacts or dropped glass during previous repairs can bend tracks or stress the mechanism, causing binding or motor overload.
- Lack Of Lubrication: Dry guides and rails increase friction, causing the motor to work harder and fail prematurely.
Replacement of the regulator is a common maintenance item on vehicles with power windows. Installing a new mechanism and addressing door sealing and drainage can significantly extend service life and restore quiet, reliable operation.
