Description
Bulb holder for the rear right lamp in the wing for Citroën C4 Picasso. Passenger side. Supplied with a section of wiring.
Description
Replacement bulb socket designed for the rear right tail lamp mounted in the wing of Citroën C4 Picasso models. The part includes a short length of wiring and the connector required to mate with the vehicle loom, making it suitable for direct replacement of a damaged or corroded lamp holder. Ideal for professional workshops and competent DIY mechanics who perform lamp and rear-body repairs.
Key Benefits
- Direct fit for the rear right (passenger side) lamp assembly.
- Included wiring piece reduces the need to splice or fabricate connections.
- Restores reliable electrical contact for brake, tail, and indicator bulbs.
- Useful spare when replacing a complete lamp unit or repairing water-damaged connectors.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C4 Picasso (rear right, wing-mounted tail light)
- Product Codes: 9653547480, 6351CA
- Other Numbers: 6351CA | 9653547480
Function
The socket secures the bulb in the rear right lamp assembly and provides the electrical connection between the lamp filament/LED module and the vehicle wiring harness. It ensures stable contact, correct bulb positioning and helps prevent short circuits or intermittent connections caused by corrosion or damaged terminals.
Common Failure Modes
This part most frequently fails due to water ingress and corrosion of the contacts, heat damage from an improperly seated or overloaded bulb, mechanical cracking from impact or repeated removal, and insulation wear leading to short circuits. Symptoms include flickering lights, intermittent operation, or complete loss of one or more rear lamp functions.
Installation Recommendations
Recommended for installation by experienced technicians or competent DIYers. Typical replacement steps:
- Park the vehicle on a level surface and switch off the ignition.
- Disconnect the negative battery terminal to avoid short circuits when working with rear lamp wiring.
- Remove the interior trim or access panel in the boot to reach the lamp assembly fasteners.
- Unscrew and gently withdraw the lamp unit from the wing to access the bulb holder.
- Unplug the old socket from the vehicle connector and remove any damaged wiring or retained clips.
- Fit the new bulb holder, connect the supplied wiring section to the vehicle loom using the original connector or approved splicing method, and secure all fixings.
- Test all lamp functions (tail, brake, indicator, reverse if applicable) before reassembling trim.
- Reconnect the battery and ensure all fasteners and seals are correctly refitted to maintain water resistance.
Use dielectric grease on terminals to improve contact longevity and help prevent corrosion. Replace damaged seals or gaskets to restore watertight integrity.
Why Replace This Part
Replacing the bulb holder is a cost-effective repair when the lamp unit itself is intact but electrical contacts or connector assemblies have failed. It restores reliable lighting and road safety without the expense of a full lamp replacement.
Compatibility Notes
Designed for Citroën C4 Picasso rear right (passenger side) wing-mounted lamp assemblies. Check the product codes 9653547480 and 6351CA when searching for exact matches to ensure correct fitment.







