Description
Electric central locking actuator/lock for the left front door for CITROËN C5 I and II. Used part with functional warranty.
This Electric Door Lock is an OEM-fit replacement for the left front door on Citroën C5 first and second generations. It restores central locking function, door latching and unlock/lock actuation driven by the vehicle‘s remote or door switches. Ideal for professional workshops and experienced DIY mechanics searching by part number (9135J1). The unit is delivered as a used component verified to be functional and is commonly fitted when the door does not lock, unlock, or when the latch sticks intermittently.
Key Features And Benefits
– Direct Fit For Citroën C5 I And II: Replaces the original left front door lock assembly without modification.
– Part Number Reference: 9135J1 (also listed as 9135.J1).
– Restores Full Central Locking Function: Ensures reliable lock/unlock from remote, key and door switch.
– Saves Time In Workshop: Replace the faulty actuator quickly without complex adaptations in most cases.
Technical Information
- Manufacturer: Citroën (Stellantis)
- Model: Citroën C5 I, Citroën C5 II
- Product Codes: 9135J1
- Other Numbers: 9135.J1
Fitment And Compatibility
Designed specifically for the left front (driver side) door of Citroën C5 First Generation (C5 I) and Second Generation (C5 II). When searching for the part, use the product code 9135J1 to improve findability. Check door orientation (left/front) before ordering to avoid returns.
Installation Overview
Recommended For Professional Mechanics And Experienced DIYers.
- Disconnect The Battery Before Starting To Avoid Short Circuits And Electrical Damage.
- Remove The Interior Door Trim And Any Moisture Barrier Carefully To Access The Lock Assembly.
- Disconnect The Electrical Connector And Detach Linkages From The Lock (Handle And Latch Rods).
- Unbolt The Old Lock Assembly From The Door Shell And Fit The Replacement Unit In Reverse Order.
- Ensure All Linkages Are Correctly Mounted And The Door Trim/Seals Are Reinstalled To Prevent Water Ingress.
- Reconnect The Battery And Verify Lock/Unlock Operation From Remote, Key And Door Switch.
Recommended Installation
Use Proper Trim Tools To Avoid Damaging Clips And Panels. Replace Any Damaged Foam/Seals To Prevent Moisture Reaching The Lock Mechanism. After Installation, Cycle The Lock Several Times To Confirm Smooth Operation And Secure Mounting. If Electrical Faults Persist, Inspect Wiring Harness And Connector For Corrosion Or Broken Wires.
Why These Units Fail Most Often
Door locks and actuators commonly fail due to mechanical wear of internal plastic gears, corrosion from water ingress (damaged seals or foam), and electrical issues such as connector corrosion or motor burnout after prolonged use. Impact damage from slamming or faulty linkages can also lead to malfunction. Regular exposure to moisture and dirt accelerates wear, so ensuring door seals and vapor barriers are intact helps prolong service life.
Notes For Buyers
This listing refers to a used but functionally guaranteed left front door lock for Citroën C5 I and II. Verify door side and part number before purchase. Using the correct part number (9135J1) in searches will improve results in online catalogues and search engines.







