Description
Electric central locking mechanism for the left rear door of Citroën C4 II. Door Behind The Driver.
Premium replacement electric door lock for the left rear (driver’s side) door of the Citroën C4 II. This unit (Part Numbers 9685351980, 9137W1) operates the central locking and latch release, providing reliable locking, unlocking and secure door latching. Ideal for professional workshops and DIY mechanics who need a direct-fit solution that restores correct central locking function and door security.
Technical Information
- Manufacturer: Stellantis (Citroën/Peugeot OEM)
- Model: Citroën C4 II (Second Generation) – Left Rear Door / Driver Side
- Product Codes: 9685351980, 9137W1
- Other Numbers: Catalog Reference 9137W1 | 9685351980
Features And Function
- Electric Central Locking Actuator Integrated With Mechanical Latch.
- Controls Locking/Unlocking Commands From Remote And Door Switches.
- Provides Mechanical Latch Engagement For Secure Door Closure.
- Designed For OEM Fitment And Direct Replacement Without Major Modifications.
Compatibility And Fitment
Intended For Citroën C4 II (Second Generation) left rear door — the door located behind the driver on left-hand drive vehicles. Check Part Numbers 9685351980 and 9137W1 when matching with vehicle parts catalogs to confirm fitment for your specific model year and trim.
How To Replace
- Prepare: Park On A Level Surface, Engage Handbrake And Disconnect The Negative Battery Terminal To Avoid Short Circuits.
- Remove Interior Door Trim Carefully: Pry Off Trim Clips, Remove Screws And Lift Panel Away To Access Lock Assembly.
- Detach Moisture Barrier And Locate Lock Unit: Peel Back The Vapor Barrier To Reach The Locking Mechanism.
- Disconnect Electrical Connector And Linkages: Unclip Rods And Release Fasteners Securing The Lock Assembly.
- Remove Lock Assembly: Unscrew Mounting Bolts And Extract The Unit From The Door Shell.
- Fit New Unit: Transfer Any Required Clips Or Rods, Position The New Lock, Tighten Fasteners And Reconnect Electrical Connector.
- Adjust And Test: Check Manual Operation, Central Locking Commands And Door Latch Engagement Before Reassembling The Door Trim.
- Reassemble Door Panel And Reconnect Battery.
Installation Recommendation
Use Appropriate Trim Tools To Avoid Damaging Clips And Interior Panels. Replace Broken Plastic Clips And Ensure Rods Are Correctly Seated In Their Retainers. Lightly Lubricate Latch Points With A Suitable Spray Lubricant. If Electrical Faults Persist After Replacement, Inspect Wiring Harness And Central Locking Fuse/Relays. For Best Results, Perform Final Tests With All Doors Closed And Operate Central Locking Via Remote And Door Switches.
Common Failure Causes
- Plastic Gear Wear Or Actuator Motor Fatigue From Frequent Use.
- Water Ingress And Corrosion Causing Electrical Or Mechanical Malfunction.
- Broken Or Disconnected Rods And Clips Resulting From Door Panel Removal Or Impact.
- Physical Damage After Collisions Or Strong Impacts To The Door.
- Reduced Performance Due To Dirt, Debris Or Lack Of Lubrication In The Latch Mechanism.
Replacing The Lock With A Correct OEM-Referenced Unit (9685351980 / 9137W1) Typically Restores Reliable Central Locking Operation. Verify Mechanical Linkage And Seal Integrity To Reduce Risk Of Recurring Failures.
