Description
Electric central locking actuator for the left front door of the PEUGEOT 307. There are two visual but 100% interchangeable versions. Driver’s door.
Product Overview
This replacement electric door lock (central locking actuator) is a direct-fit solution for the left front (driver’s) door of the Peugeot 307. The part is commonly searched by part number 9135L0 and may appear with the short code “NFP” in listings. Although there are two visually different variants, they are fully interchangeable and install in the same location. The unit restores reliable locking and unlocking by remote and manual operation and is suitable for professional workshops and competent DIY mechanics.
Function And Common Symptoms
The door lock actuator both secures the door latch and transmits lock/unlock commands from the central locking system. Typical symptoms of a failing lock include:
- Door Does Not Lock Or Unlock With Remote Or Central Locking.
- Intermittent Operation Or Noisy Motor/Gear When Activating Lock.
- Door Sticks Closed Or Cannot Be Opened From Inside/Outside.
- Loose Or Disconnected Lock Rods Causing Mechanical Failure.
Replacement Procedure
Replacing the left front door lock on a Peugeot 307 is a routine repair for an experienced technician and manageable for a careful DIYer. Typical steps:
- Safety First: Disconnect The Battery Before Starting To Avoid Short Circuits When Working With Door Wiring.
- Remove Interior Door Trim And Any Obstructing Panels Using Trim Tools To Avoid Damaging Clips.
- Peel Back The Moisture Barrier Carefully To Access The Lock Mechanism.
- Disconnect The Electrical Connector And Unclip/Detach Lock Rods From The Actuator—Note Rod Orientation For Reassembly.
- Unscrew The Fasteners Securing The Lock Unit, Remove The Old Unit And Fit The Replacement.
- Reconnect Rods And Electrical Connector, Refit Moisture Barrier And Door Trim.
- Test Lock Function Thoroughly (Remote, Manual, And Interior Switches) Before Final Reassembly.
Recommended Tools: Trim Removal Tools, Socket Set, Screwdrivers, Pliers. Allow Time: Workshop 30–60 Minutes; DIY 45–90 Minutes Depending On Experience.
Technical Information
- Manufacturer: Stellantis (Citroën/Peugeot)
- Model: Peugeot 307 (Left Front / Driver’s Door)
- Product Codes: 9135L0, NFP
- Other Numbers: Two Visual Variants (100% Interchangeable)
Mounting Recommendations
- Use Dielectric Grease On Electrical Connectors To Prevent Corrosion.
- Apply Appropriate Grease To Moving Parts Of The Latch To Reduce Wear.
- Ensure All Linkages Are Correctly Seated And Retaining Clips Replaced If Damaged.
- Seal The Moisture Barrier Properly To Prevent Water Ingress Into The Door Cavity.
- Test The Lock Several Times With The Door Open And Closed To Confirm Correct Operation Before Completing Assembly.
Reasons For Failure
- Wear Of Internal Plastic Gears Or Motor Components Due To Age And Use.
- Water Ingress And Corrosion Affecting Mechanical Parts Or Electrical Connections.
- Impact Damage From Door Collisions Or Forced Entry Attempts.
- Broken Or Disconnected Lock Rods And Retainers Leading To Loss Of Mechanical Linkage.
- Insufficient Lubrication Causing Increased Friction And Premature Wear.
This door lock is an efficient, cost-effective repair for central locking faults on the Peugeot 307 left front door. Search By Part Number 9135L0 To Find Exact Matches And Speed Up Sourcing For Workshop Jobs Or Home Repairs.








