Description
Electric Central Locking Lock – Left Front Door For PEUGEOT 307 (Driver’s Door)
This Electric Central Locking Lock is a direct-fit replacement for the left front (driver’s) door of the Peugeot 307. Designed for professional mechanics and experienced DIY enthusiasts, the unit restores reliable central locking, improves door security and eliminates common faults such as intermittent locking, failure to unlock or noisy operation. Commonly searched under product codes 9135N4 and 9135Z0, this spare part is suitable for workshop repairs and home repairs where a fast, durable solution is required.
Features
- Direct Fit For Left Front (Driver’s) Door
- Compatible With Central Locking System
- OE Product Codes: 9135N4, 9135Z0
- Robust Latch Mechanism With Electric Actuator
- Designed For Easy Replacement Using Standard Door Trim Removal Procedures
Technical Information
- Manufacturer: Stellantis (Peugeot / Citroën)
- Model: Peugeot 307
- Product Codes: 9135N4, 9135Z0
- Other Numbers: 9135Z0
Compatibility
Intended For Peugeot 307 left front door (driver’s side). This lock is used as part of the vehicle’s central locking system and replaces the original lock unit on compatible 307 models.
Installation Recommendations
- Disconnect The Negative Battery Terminal Before Starting Work To Avoid Short Circuits.
- Remove The Interior Door Trim Carefully To Access The Lock Unit; Keep Clips And Fasteners For Reassembly.
- Peel Back The Water Shield Gently To Avoid Damage; Note The Position Of Any Linkages And Cables.
- Disconnect The Electrical Connector And Unbolt The Lock Module From The Door Shell.
- Transfer Any Required Linkages Or Striker Components As Needed, Then Fit The New Lock In Reverse Order.
- Apply A Small Amount Of Dielectric Grease To Electrical Connectors To Reduce Corrosion Risk.
- Reconnect The Battery And Test All Functions (Central Locking, Manual Lock/Unlock, Interior/Exterior Handles) Before Reinstalling The Door Trim.
Common Failure Causes
Door lock units on Peugeot 307 vehicles typically fail due to one or more of the following reasons:
- Wear Of Internal Actuator Motor Or Plastic Gears Leading To Loss Of Drive Or Slippage.
- Water Ingress And Corrosion Affecting Mechanical Components Or Electrical Connectors.
- Broken Or Worn Linkages And Clips Causing Improper Engagement Of The Latch.
- Electrical Faults Such As Corroded Pins, Broken Wires Or Intermittent Connections.
- Impact Damage From Forced Entry Or Door Misalignment Causing Excessive Load On The Lock.
Why Replace
Replacing a failing door lock restores reliable locking and unlocking, improves vehicle security and prevents issues such as door not latching, interior handle failure or inability to use central locking. For workshops, installing a correct-fitting unit saves diagnostic time and reduces comebacks.
Notes For Professionals
When fitting in a workshop environment, verify connector cleanliness and operate the lock through several cycles to confirm smooth gear engagement. Check door alignment and striker condition as part of the replacement to avoid premature wear of the new unit.
