Description
Right rear tail light for Citroën C4 3‑door Coupe. Without socket, with bulbs.
Product Overview
High‑quality used right rear tail light designed for Citroën C4 Coupe (3‑door). Ideal for professional workshops and DIY mechanics who search by OE numbers: 9646801677 and 6351T6. This unit is supplied without the bulb holder (socket) but includes the bulbs, making it a direct visual and functional replacement in most cases. The robust housing restores rear lighting functionality and vehicle appearance after damage or wear.
Key Features
- Direct Fit For Citroën C4 Coupe (3‑Door)
- Includes Bulbs; Socket Not Included
- OEM Reference Numbers: 9646801677 / 6351T6
- Suitable For Fast Replacement In Workshop Conditions
Technical Information
- Manufacturer: Citroën (Stellantis)
- Model: Citroën C4 (First Generation) Coupe 3‑Door
- Product Codes: 9646801677, 6351T6
- Additional Numbers: 6351T6 | 9646801677
Installation Recommendations
- Park The Vehicle Safely And Work On A Cold, Stable Surface.
- Access The Lamp From The Trunk: Remove Inner Trim Panels To Reach Mounting Screws Or Nuts.
- Unscrew Mounting Fasteners And Carefully Pull The Lamp Assembly Outwards To Avoid Breaking Mounting Tabs.
- Disconnect The Electrical Connector. Inspect Connector Pins For Corrosion Or Damage.
- Note: This Unit Is Supplied Without The Bulb Holder (Socket). Fit The Original Socket If Intact Or Replace With A Compatible Socket Before Installing If Required. Bulbs Are Included—Verify Bulb Types And Seating.
- Reinstall The Assembly, Tighten Fasteners To Manufacturer Torque Where Specified, And Check Alignment And Seal Integrity.
- Test All Light Functions (Brake, Tail, Indicator, Reverse If Applicable) Before Closing Trim Panels.
Why This Part Fails Most Often
Tail lights typically fail due to mechanical damage, water ingress, electrical contact corrosion, or aging components. Common causes include:
- Impact Damage From Minor Collisions Or Bumps Leading To Cracked Lens Or Broken Mounting Tabs.
- Moisture Ingress Causing Fogging, Short Circuits, Or Corroded Contacts.
- Vibration And Heat Cycles That Wear Bulb Filaments Or Damage Internal Wiring.
- Degraded Seals Or Gaskets Allowing Dirt And Water Into The Housing.
Maintenance Tips
- Inspect Tail Lights During Routine Service Intervals For Cracks, Condensation, And Secure Mounting.
- Replace Gaskets Or Seals When Replacing The Lamp To Prevent Future Moisture Problems.
- Use Dielectric Grease On Electrical Connectors To Reduce Corrosion Risk.
- Verify Bulb Types And Replace With Correct Wattage/Replacements To Avoid Overheating.
This replacement tail light is a practical and cost‑effective solution to restore rear lighting functionality and vehicle safety on Citroën C4 Coupe models. Search By OE Numbers 9646801677 And 6351T6 For Fast Identification.
