Description
Third rear brake light for CITROËN C4 PICASSO and GRAND PICASSO first generation. Tested and fully functional.
Overview
This high-mounted third brake light (center stop lamp) is a direct-fit replacement for early Citroën C4 Picasso and Grand Picasso models. It restores correct rear signaling and improves visibility to following traffic, increasing safety during braking and complying with road regulations. The unit is suitable for professional workshops and experienced DIY enthusiasts who perform timely lamp replacements.
Compatibility
Designed for Citroën C4 Picasso and Grand Picasso first generation; commonly found fitted to vehicles of the first series. Frequently searched by original equipment numbers listed below — ideal when customers look up parts by code.
Technical Information
- Manufacturer: Stellantis / Citroën
- Model: Citroën C4 Picasso / Grand Picasso (first generation)
- Product Codes: 968834980, 9654435580
- Other Numbers: 6351Z7, 6351HT
Replacement Procedure
Typical replacement steps for the third brake light assembly:
- Open the tailgate and support it securely.
- Remove the interior tailgate trim to access the lamp mounting area (retain clips and screws).
- Unscrew the lamp fasteners and carefully lower the assembly.
- Disconnect the electrical connector and remove the old lamp unit.
- Fit the new lamp, reconnect the connector and secure all fasteners.
- Refit the interior trim, close the tailgate and test the brake lamp operation.
Installation Recommendations
- Work in a dry, well-lit area and protect interior trim panels from damage.
- Check connector pins for corrosion and clean contact surfaces before installation.
- Apply a small amount of dielectric grease to connectors to prevent future corrosion.
- Ensure all seals and gaskets are intact to prevent water ingress; replace seals if deteriorated.
- After fitting, verify lamp function with the tailgate open and closed to confirm correct alignment and sealing.
Common Failure Causes
Why the third brake light typically fails:
- Water ingress or condensation causing short circuits or LED/bulb failure.
- Corroded or loose electrical connectors reducing contact reliability.
- Impact damage to the tailgate or lens (parking impacts, rear collisions).
- Age-related degradation of seals allowing moisture entry.
- Failure of internal LEDs or wiring due to thermal cycling or vibration.
Why Choose This Part
Supplied with commonly searched OE codes for fast identification, this unit offers a straightforward, cost-effective way to restore proper rear signaling on first-generation C4 Picasso and Grand Picasso vehicles. Clear product codes make it easy for workshops and DIYers to confirm fitment via parts lookup.








