Description
Electric lock for left front door for PEUGEOT 407. Driver’s door.
High-quality electric door lock designed for the left front (driver) door of the Peugeot 407. This direct-fit unit restores reliable central locking and mechanical security after failure of the original lock or actuator. Ideal for professional workshops and experienced DIY mechanics looking for a straightforward replacement using the known part numbers. The lock is commonly searched by product codes, so confirming the part number before ordering speeds up repairs and reduces downtime.
Technical Information
- Manufacturer: Stellantis / Peugeot / Citroën
- Model: Peugeot 407 (Left Front / Driver Door)
- Product Codes: 9659739880, 9135AY
- Additional Numbers: F 00, 9135FN
Compatibility
Fits Peugeot 407 models equipped with electric central locking for the left front/driver door. Peugeot 407 production years 2004–2011 commonly use this type of lock mechanism. Use the product codes above to cross-check fitment in parts catalogs.
Function And Common Faults
The door lock assembly secures the door latch, integrates the actuator for central locking, and transmits locking/unlocking commands from the remote or central locking system. Common failure modes include worn mechanical latch components, seized or weakened electric actuator motors, corrosion from water ingress, broken plastic gears or linkage clips, and electrical connector faults. Symptoms are door not locking/unlocking, intermittent operation, or unusual noises from inside the door when operating the lock.
Replacement Frequency
Service life depends on usage and environment. Typical causes of premature failure are water entry inside the door, rust, or mechanical wear due to high mileage. In everyday use these units often last many years, but vehicles in coastal or high-humidity areas may require replacement sooner.
Installation Recommendations
Recommended for installation by professional mechanics or experienced DIY users. General replacement steps:
- Disconnect the negative battery terminal before starting work to prevent short circuits and protect vehicle electronics.
- Remove the inner door trim panel to access the lock mechanism—carefully release clips and protect trim pieces.
- Lower or position the window as needed and detach any linkages or rods connected to the lock (note orientation for reassembly).
- Disconnect the electrical connector from the lock module and unbolt the lock assembly from the door shell.
- Install the new unit, reconnect linkages and wiring, and test central locking and manual operation before refitting the door trim.
- Use light grease on moving parts and check that all fasteners are secured to manufacturer-recommended torque where available.
Why This Part Fails Most Often
Door locks commonly fail due to mechanical wear of latch components, plastic gear and clip breakage inside the actuator, electrical motor burnout, and corrosion from water entry. Improper door panel removal or forced operation with damaged linkages can accelerate failure. Regular inspection and keeping door seals in good condition reduce the risk of premature breakdown.
Notes For Professionals
Mechanics should verify connector pins and wiring integrity when replacing the lock. After installation, check central locking operation from all control points (remote, door switch, and boot/trunk where applicable). If there are intermittent electrical faults, inspect the vehicle wiring harness and central locking control module for related issues.
