Description
Socket with bulbs for right rear outer lamp CITROEN C4 B7. Wiring may not be included in the delivery. Side: Passenger Side.
Product Overview
High-quality replacement socket assembly for the right rear outer tail lamp of Citroën C4 II (often referred to as C4 B7). This unit accepts the lamp bulbs and secures electrical contact between the vehicle wiring and the rear light cluster. Designed for use on the passenger side outer rear lamp, it is a direct-fit part when the matching product codes are used.
Benefits
- Direct replacement socket for quick repair of rear light faults.
- Restores reliable electrical contact and lamp function.
- Saves time compared with repairing damaged wiring or connectors.
- Useful for mechanics and competent DIYers who service Citroën/Peugeot rear lighting.
Replacement Guide
Replacing the socket typically requires removal of the rear light cluster. General steps: open the tailgate or boot area to access the lamp housing, remove interior trim panels or cover, unscrew or unclip the lamp cluster, carefully disconnect the wiring harness, remove the old socket by releasing retaining clips or turning the bulb holder, fit the new socket and bulbs, reconnect the harness and test all lamp functions (tail, stop, indicator, reverse if applicable) before reassembling. Always follow the vehicle manufacturer’s recommended disassembly sequence to avoid damaging trim or connectors. Use dielectric grease on contacts if available to reduce future corrosion and ensure a secure fit of seals to preserve water resistance.
Most Common Failure Reasons
- Corrosion and Water Ingress: Moisture entering the lamp housing causes oxidation of contacts and poor conductivity.
- Heat And Thermal Cycling: Repeated heating from bulbs and cooling can deform plastic holders or loosen contacts.
- Mechanical Damage: Impact or rough handling when removing/installing the lamp cluster can crack the socket or break retention tabs.
- Electrical Issues: Loose contacts, worn terminals or excessive current from incorrect bulb types lead to overheating and contact failure.
Technical Information
- Manufacturer: Stellantis (Citroën/Peugeot)
- Model: Citroën C4 II (C4 B7) — Right Rear Outer Lamp / Passenger Side
- Product Codes: 6351KS, 9687311980
- Additional Numbers: 6351 KS
Installation Recommendations
Disconnect the negative battery terminal before starting work to prevent short circuits and accidental lamp activation. Inspect the lamp housing seal and wiring harness for damage; replace or repair damaged seals to prevent future water ingress. Tighten fasteners to manufacturer specifications and ensure the socket is fully seated and locked. After installation, verify all lighting functions with the engine and ignition in the appropriate state to confirm proper operation.
Who Should Install
Suitable for professional auto technicians and experienced DIYers. If the lamp socket has been damaged by corrosion or there is extensive wiring damage, professional repair in a workshop is recommended to ensure long-term reliability.
Notes
Often searched under product numbers 6351KS and 9687311980 — include these codes when looking up compatibility. Wiring may not be included with the socket, so check whether you need additional connectors or harness components prior to installation.
