Description
Electric lock for the left front door for PEUGEOT 407 vehicles. Driver’s door.
This electric left-front door lock (driver’s door) is a direct-fit locking actuator designed for Peugeot 407 cars and is commonly referenced by part numbers 9683417880, 9135AY and 9135FN. Ideal for professional workshops and DIY mechanics who need a reliable replacement for a failing central locking unit, this actuator restores secure locking, remote central locking function and door latching reliability. The part is frequently searched by its product codes, so listing those numbers will help you find the exact match quickly.
Technical Information
- Manufacturer: Peugeot (Stellantis)
- Model: Peugeot 407
- Product Codes: 9683417880, 9135AY, 9135FN
- Other Numbers: 9135FN
Compatibility
Suitable For: Left Front Door (Driver’s Door) Of Peugeot 407 Models. Verify Door Position And Part Number When Ordering—This Unit Replaces The Locking Actuator Specifically For The Driver Side.
Function And Benefits
- Controls Locking And Unlocking Of The Driver Door Via Central Locking System Or Remote Key.
- Restores Secure Latching And Prevents Door From Opening Unexpectedly.
- Reestablishes Electric Actuation For Comfort And Safety Features Dependent On The Lock Mechanism.
Installation Recommendations
- Disconnect Negative Battery Terminal Before Starting To Avoid Short Circuits And Unwanted Central Locking Activation.
- Remove Inner Door Trim Carefully To Access The Locking Mechanism—Start By Removing Screws And Plastic Clips, Then Lift The Panel Off The Door.
- Peel Back The Moisture Barrier Gently To Reach The Lock Assembly Without Damaging The Seal.
- Disconnect Electrical Connector And Unhook Linkages (Lock Rods/Clips). Note Their Positions Or Photograph Them For Correct Reassembly.
- Unscrew The Lock Unit Fasteners, Remove The Old Actuator And Fit The New One In The Same Orientation. Reconnect Linkages And Electrical Connector.
- Before Reassembling The Door Trim, Reconnect The Battery And Test Lock/Unlock Function Using Key Fob And Interior Switch To Ensure Proper Operation.
- Reinstall Moisture Barrier And Door Trim, Ensuring Clips And Screws Are Secure. Check That Door Opens And Closes Smoothly Without Excessive Force.
Why This Part Most Often Fails
Common Causes Of Failure Include Mechanical Wear (Plastic Gears Or Levers), Water Ingress And Corrosion Inside The Lock Mechanism, And Electrical Issues Such As Worn Motor Brushes Or Connector Corrosion. Frequent Use, Exposure To Moisture And Road Salt, Or Physical Impact On The Door Can Accelerate Wear. Symptoms Typically Include Intermittent Or Complete Loss Of Locking Function, Grinding Or Clicking Noises When Activating The Lock, Or A Door That Fails To Latch Properly.
Practical Notes For Mechanics And DIYers
- Keep Replacement Part Numbers Handy—Customers Often Search By 9683417880, 9135AY Or 9135FN.
- Inspect Door Wiring And Central Locking Fuse If Replacing The Actuator Does Not Restore Function.
- Lubricate Linkages And Latch Points During Installation To Reduce Future Wear.
- Perform A Final Functional Check With Doors Closed And Vehicle Locked/Unlocked From Both Key Fob And Interior Switch.
With Correct Installation, This Locking Actuator Returns Full Driver-Door Locking Functionality And Improves Security And Convenience For Peugeot 407 Owners.
