Description
Electric central locking actuator for the right front door for Citroën C4 5‑door first series. Passenger (front) door.
This electric door lock is designed as a direct replacement for the right front (passenger) door of the first‑generation Citroën C4 5‑door. It restores central locking and mechanical latching functions, ensuring reliable door closing and remote locking/unlocking. Ideal for professional workshops and experienced DIY mechanics who search by OE numbers such as 9647172680, 9683415980 or internal codes 9136ES / 9136R8.
Key Features
– Direct fit for Citroën C4 (1st Generation) 5‑door passenger door.
– Replaces the electric central locking actuator and latch assembly for the right front door.
– Compatible with vehicles using OE/Product codes listed below.
– Restores both remote central locking response and manual handle operation.
Technical Information
- Manufacturer: Stellantis / Citroën
- Model: Citroën C4 (1st Generation) 5‑door — Right Front (Passenger) Door
- Product Codes: 9647172680, 9683415980, 9660699780, F03
- Additional Numbers: 9136ES, 9136AG, 9136R8
Installation Recommendations
Remove the interior door trim and the protective vapor/water barrier to access the lock assembly. Disconnect the electrical connector and any linkage rods or clips attached to the latch. Undo the mounting bolts securing the lock to the door shell, remove the old unit and transfer any necessary brackets or linkages to the new lock. Refit the replacement unit in the reverse order, ensure rods and clips are correctly seated and the electrical connector is fully engaged. Test locking/unlocking with remote and door handle operation before reassembling the door trim. Use light grease on pivot points and check for freedom of movement. If electrical connector pins are corroded, clean or replace them to ensure reliable contact.
Why This Part Fails Most Often
Failure is commonly caused by worn internal plastic gears or motor wear in the actuator, water ingress and corrosion, damaged or stretched linkage rods, or broken retaining clips. Repeated use, exposure to moisture and road salt, or impact damage to the door can accelerate failure. Electrical issues such as corroded connectors or intermittent motor supply also produce symptoms similar to mechanical seizure.
Practical Tips For Replacement
– Check the condition of linkage rods and clips and replace any brittle or bent components to prevent rework.
– Inspect wiring and connector for corrosion; repair or solder if necessary and protect with dielectric grease.
– After installation, verify central locking operation from the remote, interior switch and mechanical handle; adjust rod lengths if latching is not consistent.
– If the lock has been contaminated with water or salt, clean and lubricate the latch mechanism to extend service life.
This part is a common replacement item for workshops and home mechanics restoring reliable central locking on Citroën C4 5‑door models. Search terms that commonly find this item include: door lock actuator right front Citroën C4, central locking lock 9647172680, 9136ES, 9136R8.








