Description
Electric lock for the right rear door for Peugeot 407. Passenger-side rear door.
This electric right rear door lock is designed for mechanics and DIY enthusiasts who require a reliable replacement part searchable by OE numbers. Ideal for restoring proper central locking and secure door closure on Peugeot 407 models, the unit is frequently identified by codes 9686691880, 9138N7 and 9138V0 — include these numbers when searching to speed up compatibility checks and ordering.
Technical Information
- Manufacturer: Stellantis / Peugeot
- Model: Peugeot 407
- Product Codes: 9686691880
- Additional Numbers: 9138N7, 9138V0
Fitment and Application
Fits the Right Rear (Passenger-Side Rear) Door on Peugeot 407 saloon and SW estate body styles. Confirm match by comparing product codes printed on the part. This electric lock is used as the latch and actuator assembly that secures the door and interfaces with the vehicle central locking system.
Function and Typical Symptoms
The door lock contains the mechanical latch and an electric actuator that receives locking/unlocking signals from the central locking system. Common symptoms of a failing unit include:
- Door Will Not Lock Or Unlock With Remote Or Central Locking
- Intermittent Operation Or Slow/Noisy Actuator Movement
- Door Does Not Latch Securely Or Feels Loose
- Unusual Grinding Or Clicking Noises From The Door
Replacement Procedure (Overview)
Recommended For Professionals And Experienced DIYers. Typical replacement steps:
- Disconnect The Battery Before Starting Work To Prevent Short Circuits.
- Remove Interior Door Trim And Secure Fasteners; Carefully Peel Back Moisture Barrier.
- Disconnect Electrical Connector For The Lock Actuator.
- Detach Linkages, Rods And Cables From The Lock Mechanism (Note Orientation For Reassembly).
- Remove Mounting Bolts/Screws And Extract The Old Lock Assembly From The Door.
- Install The New Lock Assembly, Reattach Rods/Linkages And Tighten Fasteners Evenly.
- Reconnect Electrical Connector, Refit Moisture Barrier, And Temporarily Refit Door Trim To Test Operation.
- Test Central Locking, Manual Latch Operation, And Door Alignment Before Final Reassembly.
Mounting Recommendations
- Use Appropriate Trim Tools To Avoid Damaging Clips And Interior Panels.
- Replace Any Damaged Plastic Clips Or Fasteners During Reassembly.
- Apply Dielectric Grease To Connectors To Reduce Corrosion Risk; Lightly Lubricate Latch Contact Points With Suitable Grease.
- Test The New Lock Functionality Before Reinstalling All Trim Panels To Ensure Proper Operation.
- Follow Manufacturer Torque Specifications Where Applicable And Ensure The Moisture Seal Is Correctly Repositioned To Prevent Water Ingress.
Why This Part Most Commonly Fails
Door locks on Peugeot 407 commonly fail due to a combination of mechanical wear and environmental factors. Typical causes include:
- Water Ingress And Corrosion Leading To Sticky Or Seized Mechanisms.
- Wear Or Breakage Of Internal Plastic Gears Within The Actuator.
- Damaged Or Disconnected Linkages And Rods From Impact Or Fatigue.
- Electrical Connector Corrosion Or Intermittent Wiring Faults.
- Impact Damage Following Door Collisions Or Rough Use.
Replacing the lock promptly when symptoms appear prevents further strain on the central locking system and restores reliable door security. Always verify part codes 9686691880 / 9138N7 / 9138V0 when ordering to ensure correct fitment.
