Description
Right rear lamp light for CITROËN C4 – 5-door. Bulb sockets can be purchased separately.
This right-hand rear tail lamp is designed for Citroën C4 five-door models and is a direct-fit replacement part commonly sought by professional technicians and DIY enthusiasts. The lamp is referenced under OE numbers 9655863980 and 6351T8, making it easy to find when searching by product code. It restores proper rear signaling, tail, and brake light functions and maintains the vehicle’s exterior appearance.
Technical Information
- Manufacturer: Stellantis (Citroën)
- Model: Citroën C4 I, 5-Door
- Product Codes: 9655863980, 6351T8
- Other Numbers: 6351T8
Fitment And Compatibility
Intended For Right-Side Fitment (Passenger Side On Left-Hand Drive Vehicles). Primarily Compatible With First-Generation Citroën C4 5-Door Models. Always Verify The Part Number Against The Existing Unit Before Installation.
Function And Common Failure Modes
The Rear Lamp Provides Tail Light, Brake Light And Turn Signal Functions (Depending On Bulb Configuration). Common Reasons For Replacement Include:
- Water Ingress Or Condensation Due To Worn Seals Leading To Corrosion Or Short Circuits.
- Impact Damage From Bumps Or Minor Collisions Causing Cracked Lens Or Broken Mounting Tabs.
- Corroded Or Damaged Bulb Sockets And Electrical Connectors.
- Age-Related Degradation From UV Exposure Causing Discoloration Or Reduced Light Output.
Replacement Procedure (Overview)
Suitable For Experienced Mechanics And Competent DIYers. Typical Steps:
- Switch Off Ignition And Disconnect The Negative Battery Terminal Or Ensure Electrical System Is Inactive To Prevent Shorts.
- Open The Tailgate And Remove Any Interior Trim Or Fasteners Blocking Access To The Lamp Assembly.
- Unplug The Electrical Connector And Carefully Remove Mounting Screws Or Clips Holding The Lamp In Place.
- Remove The Lamp Assembly From The Body, Replace Bulb Sockets If Required (Available Separately), And Inspect Wiring And Gaskets.
- Fit The New Lamp, Ensure The Seal Is Properly Seated, Reinstall Fasteners, Reconnect The Connector And Battery, Then Test All Light Functions.
Installation Recommendations
- Use Correct Tools To Avoid Damaging Mounting Tabs And Trim.
- Replace Damaged Seals Or Gaskets To Prevent Future Water Ingress.
- Apply A Small Amount Of Dielectric Grease To Electrical Connectors To Reduce Corrosion Risk.
- Check Bulb Types And Socket Condition; Bulb Sockets Are Available Separately If Replacement Is Needed.
- After Installation, Verify Alignment And Function Of Tail, Brake And Turn Signals From Outside The Vehicle.
Why This Part Most Commonly Fails
The Most Frequent Causes Of Failure Are Physical Damage From Impacts And Water Ingress Through Degraded Seals. Corrosion Of Socket Contacts And Connector Pins Also Leads To Intermittent Operation Or Complete Failure. Proactive Inspection And Replacement Of Seals And Corroded Sockets Extends Service Life.
Notes For Professionals
This Item Is Often Located By Its OE Numbers 9655863980 / 6351T8 In Catalogs And Search Engines. Keep Replacement Bulb Sockets On Hand When Performing Bodywork Or Rear Lamp Replacements To Minimize Return Visits.
