Description
Electric central locking actuator for the left rear door (rear door on the driver’s side) for PEUGEOT 308 vehicles.
High-quality replacement electric lock for the left rear door of the Peugeot 308. This central locking actuator is commonly searched by part numbers and is designed for mechanics and experienced DIYers who require a reliable, direct-fit solution. Ideal for restoring proper locking function, eliminating intermittent door lock operation, or replacing a mechanically damaged latch. Compatible with vehicles that use the listed product codes; check the part number before ordering to ensure a precise match.
Key Features
- Direct-fit replacement for the left rear door lock of Peugeot 308.
- Electric central locking actuator designed to operate reliably in everyday use.
- Commonly referenced by product codes for easy lookup in parts catalogs and search engines.
- Designed for professional workshops and competent DIY repairers.
Function and Common Faults
The unit operates the central locking mechanism in the rear left door, moving the latch between locked and unlocked positions via a small electric motor and internal linkage. Typical failure causes include moisture ingress and corrosion, worn or stripped plastic gears, motor burnout, broken or fatigued linkage rods, and connector or wiring faults. Symptoms of a failing lock include intermittent locking/unlocking, noisy or slow actuator movement, or complete loss of function on the affected door.
How To Replace
- Disconnect the vehicle battery before starting to avoid short circuits and prevent damage to electronics.
- Remove the inner door trim panel carefully, releasing all clips and screws to access the lock mechanism.
- Disconnect the electrical connector and any rods or cables linked to the latch; note their routing for reassembly.
- Remove the mounting screws or bolts securing the lock actuator and extract the unit from the door shell.
- Fit the replacement actuator, reconnect wiring and rods, and test the locking function with the battery reconnected before reinstalling the door panel.
- Reassemble the door trim, verify smooth operation, and lubricate the latch mechanism with appropriate grease to extend service life.
Installation Recommendations
- Always disconnect the battery before removal and installation to protect vehicle electronics and airbag circuits.
- Work on a dry, clean surface and protect door trim clips to avoid breakage during removal.
- Check and, if necessary, replace worn linkage rods or clips when installing the new actuator to ensure long-term reliability.
- Use dielectric grease on electrical connectors to reduce the risk of moisture-related corrosion.
- Test the lock operation several times before final reassembly to ensure correct fitment and adjustment.
Why Parts Fail Most Often
Door lock actuators on rear doors commonly fail due to water ingress and subsequent corrosion, mechanical wear of small plastic gears, stress from repeated use, or damage from slammed doors. Electrical faults such as corroded connectors or broken wiring can also cause loss of function. Preventive lubrication and ensuring door seals are intact will help extend the life of the actuator.
Technical Information
- Manufacturer: Stellantis / Peugeot / Citroën
- Model: Peugeot 308
- Product Codes: A04999, 732108, A04005, 9137V3
- Additional Numbers: 9137.V3
Notes
This part is intended as a direct replacement for the left rear door lock of the Peugeot 308. Many customers search using the product codes listed above — include these numbers in your search to find matching fitment information and cross-references.
