Description
Electric Left Front Door Lock for Citroën Xsara (Driver Side), part number 9135H4. This unit replaces the door latch and central locking actuator in a single assembly to restore secure, reliable locking and central locking operation. Designed for professional garages and experienced DIYers who need a direct-fit replacement that simplifies repairs.
Features
- Electric central locking unit with integrated latch and actuator for the left front (driver) door.
- Direct-fit replacement for Citroën Xsara models, simplifies repair and reduces installation time.
- Compatible with standard central locking systems used on PSA vehicles; part number 9135H4 for easy lookup.
- Robust mechanical latch design with electrical actuator to control lock/unlock commands from the central locking system.
Installation
Replacing the left front door lock typically requires basic workshop tools and 30–60 minutes of work for an experienced mechanic. Typical steps:
- Disconnect the negative battery terminal to prevent short circuits.
- Remove the interior door trim panel and any moisture barriers carefully to access the lock unit.
- Disconnect the electrical connector and unclip or detach the linkage rods from the latch.
- Remove mounting bolts/screws securing the lock assembly, replace with the new unit, and refit all linkages and connectors.
- Reconnect the battery and test locking/unlocking (both remote and manual) before refitting the door trim.
Common Causes Of Failure
- Wear of mechanical latch components and plastic gear damage inside the actuator over many years of use.
- Water ingress or corrosion affecting electrical contacts and motor functionality.
- Electrical faults such as corroded connectors, broken wiring or intermittent signals from the central locking module.
- Physical damage from forced entry or repeated impact to the door area.
Benefits
- Restores door security and prevents central locking faults that can affect vehicle convenience and safety.
- Direct-fit part number 9135H4 makes ordering and identification straightforward for workshops and DIY repairs.
- Replacing the entire unit addresses both mechanical latch issues and actuator failures in one operation.







