Description
Electric central locking mechanism for the left front door of PEUGEOT 307 (Driver’s Door).
High-quality replacement central locking actuator for the left front (driver) door on Peugeot 307 models. Designed for professional workshops and DIY enthusiasts who need a reliable door lock that restores proper central locking function. Commonly searched under code 9135Z0, this unit replaces a failed latch or actuator assembly and solves symptoms such as the door not locking or unlocking with the remote, intermittent operation, or loud grinding noises from the door.
Key Features
- Direct Fit For Left Front (Driver) Door
- OEM-Referenced Code: 9135Z0
- Restores Central Locking And Door Latch Function
- Suitable For Professional Fitters And Experienced DIY Mechanics
Symptoms Indicating Replacement Is Needed
- Door Does Not Lock Or Unlock With Remote/Central Locking
- Intermittent Locking Operation Or Requires Manual Assistance
- Clicking, Grinding Or Buzzing Noises Inside Door When Locking
- Door Does Not Latch Properly Or Stays Slightly Open
Installation Recommendations
- Disconnect The Battery Before Starting Work To Avoid Short Circuits And Unintended Airbag Deployment.
- Remove Inner Door Trim Carefully To Access Locking Mechanism; Take Care With Plastic Clips And Fasteners.
- Peel Back The Vapor Barrier And Disconnect The Electrical Connector To The Lock/Actuator.
- Remove Mounting Screws/Clips Holding The Lock Assembly; Note Linkage Positions For Correct Reassembly.
- Fit New Lock, Reconnect Electrical Connector, Reattach Linkages And Test Function Before Reassembling Door Trim.
- Lubricate Moving Parts Lightly With Suitable Grease And Ensure Water Seals Are Intact To Prevent Future Ingress.
Common Failure Reasons
- Mechanical Wear Of Plastic Gears Or Linkages Causing Slippage Or Breakage.
- Moisture Ingress And Corrosion Leading To Electrical Or Mechanical Faults.
- Actuator Motor Or Microswitch Failure After Years Of Use.
- Poor Electrical Contact At Connector Or Wiring Damage In Door Harness.
How The Part Functions
The unit combines an electric actuator and latch mechanism to lock and unlock the door through commands from the central locking system. When a lock command is received, the actuator drives internal gears and linkages to move the latch to the locked or unlocked position. The unit also contains microswitches/sensors that report latch status to the vehicle’s body control module.
Technical Information
- Manufacturer: Stellantis (Peugeot / Citroën)
- Model: Peugeot 307 (including 307 II / Phase 2) – Left Front (Driver) Door
- Product Codes: 9135Z0
- Other Numbers: NFP (as marked)
Notes For Fitment
Confirm Fitment By Matching The Mounting Points And Connector Shape On The Existing Unit. This Part Is Intended As A Direct Replacement For Left Front Door Lock Assemblies On Peugeot 307 Variants; Always Verify Mechanical Linkage Orientation During Installation.
Recommendation
When Replacing A Door Lock On An Older Vehicle, Inspect Door Wiring, Connectors, And Water Seals; Replace Damaged Clips And Sealant To Prevent Recurrent Failures. Test Central Locking Operation After Installation And Adjust Linkages If The Door Does Not Latch Smoothly.
