Product Overview

Replacement left rear tail light assembly designed for Citroën C4 5-door models (first generation). This unit restores rear illumination and signaling functionality after damage or wear. Ideal for professional mechanics and DIY enthusiasts looking for a direct-fit OE-style replacement. Commonly searched under OE numbers 9655864080 and 6350T8.

Key Features

• Direct Fit For Citroën C4 First Generation 5-Door
• Complete Rear Lamp Assembly (Housing, Lens And Bulb Sockets As Supplied)
• OE Reference Numbers Included For Easy Search And Matching
• Durable Construction Designed To Withstand Road Vibration And Weather
• Wiring And Socket Kit Available Separately If Required

Technical Information

• Manufacturer: Stellantis (Citroën)
• Model: Citroën C4 I 5-Door (First Generation)
• Product Codes: 9655864080, 6350T8
• Other Numbers: 6350T8 | 9655864080

Fitment Notes

Fits left side (driver side in left-hand drive vehicles) of Citroën C4 5-door hatchback, first generation. Always verify the shape, mounting points and connector type against the unit being replaced before installation to ensure correct fitment.

Installation Recommendations

• Park The Vehicle On A Level Surface And Switch Off The Ignition Before Starting Work.
• Open Tailgate And Remove Interior Trim To Access Fasteners Holding The Lamp Assembly.
• Disconnect The Electrical Connector Carefully To Avoid Damaging Pins Or Wiring.
• Remove Fasteners (Screws/Clips), Withdraw Old Lamp, And Replace With New Assembly Ensuring Correct Alignment.
• Reconnect The Electrical Connector, Refit Trim, And Test All Light Functions (Brake, Tail, Indicator, Reverse) Before Finishing.
• Replace Bulbs And Seals If They Show Signs Of Wear; Use Correct Bulb Types As Specified For The Vehicle.
• Check For Proper Sealing Around The Unit To Prevent Water Ingress After Installation.

Why The Part Commonly Fails

• Impact Damage From Rear Collisions Or Minor Bumps Leading To Cracked Lens Or Broken Mounting Tabs.
• Water Ingress Causing Corrosion Of Contacts, Socket Failure, Or Short Circuits.
• Age-Related Degradation Of Seals And Plastics, Resulting In Fogging Or Reduced Light Output.
• Bulb Or Socket Wear From Thermal Cycling And Vibration.
• Poorly Secured Mounting After Previous Repairs Leading To Stress And Premature Failure.

Additional Advice

When replacing the rear lamp, inspect the wiring harness and connector for corrosion or damage. If sockets are brittle or corroded, consider replacing the socket/wiring kit to ensure reliable long-term operation. For best results, use compatible bulbs and ensure all seals and gaskets are correctly positioned to maintain weatherproofing.