Description
Electric Lock For Left Front Door PEUGEOT 407 Driver’s Door
This electric left-front door lock is designed as a direct replacement for the driver door on the Peugeot 407. Ideal for professional mechanics and experienced DIY enthusiasts, the unit restores secure locking, reliable door latching and proper central locking operation. The part is often searched and identified by its product codes, so listing those numbers in your search will help you find the correct replacement quickly.
Technical Information
- Manufacturer: Stellantis / Citroën Peugeot
- Model: Peugeot 407 – Left Front Door (Driver Side)
- Product Codes: 9681333380, Q00, 9135AY, 9135FN
- Other Numbers: 9135AY 9135FN
Key Features And Function
The unit is an electric door lock mechanism integrating the latch and central locking actuator interface. It secures the door in the closed position, transmits lock/unlock commands from the central locking system and provides the mechanical catch for opening and closing. Installing a correct-fit lock restores proper door alignment, eliminates rattles and ensures that the central locking responds reliably.
Installation Recommendations
For safe and effective replacement: Disconnect the vehicle battery negative before starting. Remove the inner door trim and any moisture barrier to access the lock assembly. Disconnect the wiring harness and release the mechanical linkages or rods from the actuator and latch. Unfasten the retaining screws or bolts, remove the old unit and fit the new lock in reverse order. Before reassembling the door trim, test locking and unlocking with a key, remote and the interior handle to confirm smooth operation. Apply light lubricant to moving metal parts and check striker alignment if the door does not latch cleanly.
Why The Part Most Commonly Fails
- Wear Of Internal Plastic Gears Or Components: Repeated use over years can wear small plastic gears or cams inside the actuator/latch assembly, causing intermittent or complete failure.
- Moisture Ingress And Corrosion: Water entry into the door can corrode metal parts or cause electrical faults in the actuator motor and wiring connectors.
- Actuator Motor Wear Or Electrical Failure: The small motor that drives the locking mechanism can burn out or seize after heavy use.
- Mechanical Damage Or Misalignment: Impact from door strikes, accidents or improperly adjusted striker plates can damage the latch and accelerate failure.
Practical Tips
When replacing the lock, inspect door cables, rods and the striker for wear or misalignment and lubricate pivot points. Because many buyers search by part number, use the listed product codes when sourcing the replacement to ensure compatibility with Peugeot 407 left-front driver door applications.
