Description
Electric central locking actuator for the left rear door for PEUGEOT 407. Rear door on the driver’s side.
This used electric door lock/central locking actuator is designed for the left rear door of the Peugeot 407 and is an ideal spare for workshops and DIY mechanics who need a direct-fit replacement by product number. The unit operates the central locking mechanism for the rear door, engages the latch and links to the interior locking rods and electrical connector. Commonly searched by part numbers, this component restores secure locking, eliminates intermittent operation and brings back smooth door latching.
Key Features
- Direct replacement for left rear door (driver’s side) on Peugeot 407.
- Compatible with part numbers 9686691980, 9137K8, 9137Q7 — often used in vehicle listings and spare-part searches.
- Electrical actuator that controls the latch, central locking and door locking/unlocking functions.
- Suitable for mechanics and experienced DIYers familiar with door trim removal and lock linkage reassembly.
Technical Information
- Manufacturer: Stellantis / Peugeot
- Model: Peugeot 407 (Left Rear Door / Driver’s Side)
- Product Codes: 9686691980, 9137K8, 9137Q7
- Other Numbers: 9137K8 | 9137Q7 | 9686691980
Installation Recommendations
- Disconnect the battery before starting work to avoid short circuits and to prevent accidental airbag deployment when removing the door trim.
- Remove the interior door panel carefully: detach clips, screws and any trim pieces; keep fasteners organized.
- Unplug the electrical connector to the actuator and note the routing of rods/linkages. Mark or photograph linkage positions to ensure correct reassembly.
- Unscrew the lock unit from the door shell, remove the actuator and separate it from the latch rods. Fit the replacement, reconnect rods and electrical connector, then test function before refitting the door card.
- Check and lubricate latch linkages with suitable grease to reduce wear and noise after installation.
Why This Part Fails Most Often
Failures typically occur due to mechanical wear of the internal gears, contamination from moisture or road salts, corrosion of electrical contacts and weakened actuator motors. Repeated use over years can cause plastic gear teeth to strip or small electric motors to fail, producing intermittent locking, complete loss of locking function or noisy operation. Water ingress from damaged door seals accelerates corrosion and mechanical wear.
Practical Tips
- Inspect door seals and drainage holes when replacing the lock to prevent premature failure from moisture.
- If the original unit shows intermittent electrical symptoms, inspect connector pins for corrosion and wiring for breaks before replacing.
- After installation, cycle the locks several times and verify remote locking, central locking synchronization and manual locking to ensure correct installation.
Suitable For
Peugeot 407 owners and professional garages looking for a replacement left rear door lock actuator identifiable by OEM numbers 9686691980, 9137K8 and 9137Q7. Ideal for restoring reliable central locking operation and door latching performance.
