Description
Electric central locking actuator for the left rear door Citroën C3. Rear Door On The Driver’s Side. 6 Pins.
Reliable Replacement For The Left Rear Door Locking Mechanism Designed For Mechanics And Experienced DIYers. This Electric Central Lock Actuator Restores Full Locking And Unlocking Functionality To The Left Rear Door Of The Citroën C3. Ideal When The Door Fails To Respond To Remote Locking, Operates Intermittently, Or Makes Grinding/Clicking Noises. Keep Product Codes 46978280 And 9137A1 In Mind When Searching—Many Customers Find This Part By Its Reference Numbers.
Key Benefits
- Direct Fit For Citroën C3 Left Rear Door Application—Plug-And-Play 6-Pin Connector.
- Restores Central Locking Function Quickly, Reducing Diagnostic And Repair Time.
- Compact Electric Actuator Designed For Standard 12V Automotive Electrical Systems.
- Compatible With Workshop And Home Repairs; Suits Auto Technicians And Skilled DIY Installers.
Technical Information
- Manufacturer: Stellantis / Citroën
- Model: Citroën C3
- Product Codes: 46978280, 9137A1
- Other Numbers: NFP, 6 Pin Connector
Function And Symptoms
The Actuator Controls The Locking And Unlocking Of The Left Rear Door Via The Central Locking System. Common Failure Symptoms Include The Door Not Locking Or Unlocking With The Remote, Intermittent Operation, Grinding Or Clicking Noises Inside The Door Panel, Or A Completely Inoperative Lock On That Side.
Replacement Procedure (Overview)
- Disconnect The Negative Battery Terminal To Avoid Short Circuits.
- Remove The Inner Door Trim Panel Carefully, Taking Care With Clips And Fasteners.
- Locate And Unscrew The Old Actuator From The Door Lock Assembly.
- Disconnect The 6-Pin Electrical Connector And Any Mechanical Linkages.
- Install The New Actuator, Reconnect The Electrical Connector And Linkages, And Test Locking Function Before Reassembling The Door Trim.
- Verify Proper Operation Of Central Locking From Remote And Interior Switches.
Installation Recommendations
- Use Appropriate Trim Tools To Avoid Damaging Door Panels And Clips.
- Inspect And Clean The Connector Pins; Apply Dielectric Grease If Needed To Prevent Corrosion.
- Check Mechanical Linkages For Wear Or Misalignment When Replacing The Actuator.
- Test The Actuator Function With The Door Panel Temporarily Secured To Confirm Correct Operation Before Final Reassembly.
Why This Part Most Often Fails
Failures Are Typically Caused By Water Ingress And Corrosion Of Electrical Contacts, Wear Of Internal Gears Or Motor Brushes, And Mechanical Stress From Damaged Linkages. Repeated Use And Exposure To Moisture Accelerates Wear, Leading To Intermittent Function Or Complete Failure.
Compatibility Note
When Searching For This Component, Use The Product Codes 46978280 And 9137A1 To Improve Search Accuracy. The Part Fits The Left Rear Door (Driver Side) Of Citroën C3 Models That Use A 6-Pin Central Locking Actuator.
