Description
Electric lock – central locking – right front door for CITROËN C5 I and II vehicles. Used part with a warranty of functionality.
This electric right-front door lock is a direct-fit solution for Citroën C5 I and C5 II models and is commonly searched under part number 9136J9. Designed for vehicles with central locking, the unit restores secure door latching and reliable remote locking/unlocking. Ideal for professional technicians and experienced DIYers, this used part offers functional replacement at a lower cost than a new OEM module while maintaining correct mechanical and electrical operation.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C5 I (2001–2008) and Citroën C5 II (2008–2017) — Right Front Door
- Product Codes: 9136J9, 9136J9 NFP
- Other Numbers: NFP
Function
The unit houses the mechanical latch and the electric actuator that operate the central locking for the right front door. It secures the door in the closed position, receives electrical commands from the central locking system and translates them into mechanical movement to release or lock the latch. Proper function is essential for passenger safety and for correct operation of alarm and central locking systems.
Replacement Procedure (Overview)
- Disconnect Negative Battery Terminal To Avoid Short Circuits.
- Remove Interior Door Trim Carefully To Access Locking Mechanism (retain clips and screws).
- Support Window If Necessary And Detach Any Linkages Between Lock And Door Handle.
- Unplug Electrical Connector To The Lock Actuator.
- Unscrew Fasteners Holding The Lock Assembly (commonly Torx Or Phillips Fasteners) And Remove The Lock Module.
- Install Replacement Unit, Reconnect Electrical Connector, Reattach Linkages And Test Central Locking Before Final Reassembly.
Installation Recommendations
- Ensure Battery Is Disconnected Before Working On Door Electronics.
- Take Photographs Of Rod And Clip Positions Before Removal To Ensure Correct Reassembly.
- Check Electrical Connector Pins For Corrosion And Clean If Required; Use Contact Cleaner.
- Lightly Lubricate Moving Parts Of The Latch With Suitable Graphite Or Silicone-Based Spray To Improve Longevity.
- Test Lock Operation With Door Trim Temporarily Reinstalled To Confirm Correct Function Before Final Refit.
- If In Doubt, Have A Professional Mechanic Confirm Correct Alignment And Fastening Torque.
Why This Part Commonly Fails
- Age And Wear: Plastic Components And Small Gears In The Actuator Can Wear Out After Years Of Use.
- Moisture And Corrosion: Water Ingress Over Time Leads To Corroded Connectors Or Seized Mechanisms.
- Electrical Faults: Intermittent Wiring Or Connector Problems Cause Loss Of Actuator Power.
- Mechanical Impact Or Forced Entry: Physical Damage From Impacts Or Attempts To Force The Door Can Break The Latch.
- Rod And Clip Fatigue: Linkage Clips Can Break, Causing Loss Of Mechanical Drive Between Handle And Lock.
Typical lifetime depends on usage and environment; many locks remain serviceable for 8–15 years but are more likely to fail earlier in corrosive climates or in vehicles with heavy daily use. Replacing a faulty lock restores secure closing, correct alarm behaviour and reliable central locking operation.
Part Number Reference: 9136J9. This designation is frequently used when searching for the correct replacement; please verify that the fitment corresponds to the right-front door unit for Citroën C5 I/II before installation.
Used Part Warranty: Sold as a used component with a guarantee of functionality as stated in the product listing.







