Description
Third brake light for Citroën C8 and Peugeot 807
This center high-mounted stop lamp is a direct-fit replacement designed for the Citroën C8 and Peugeot 807. It restores the vehicle’s rear signaling visibility and ensures the third brake light functions reliably for safe driving and legal compliance. Frequently searched by part numbers, this unit is suitable for professional workshops and DIY mechanics who expect straightforward fitment and clear identification by OEM codes.
Technical Information
- Manufacturer: Stellantis (Citroën, Peugeot)
- Model: Citroën C8; Peugeot 807
- Product Codes: 1401159980, 1489380080, 6350CS
- Additional Numbers: 1401159980 / 1489380080 / 6350CS
Function And Benefits
The third brake light (center high-mounted stop lamp) increases rear visibility to drivers behind, reducing the risk of rear-end collisions. It complements the main brake lights and is positioned for higher sightline recognition. Replacing a faulty unit restores consistent brake signalling and maintains the vehicle’s original appearance.
Installation Recommendation
- Tools Needed: Trim pry tool, Phillips or Torx screwdriver (depending on fasteners), socket set, and clean cloth.
- Basic Steps: Open the tailgate, remove the interior trim to access the lamp housing, disconnect the electrical connector, remove mounting screws or clips, replace the lamp assembly and reconnect the wiring, test the brake light, then refit the trim. Follow vehicle-specific access points and fastener types.
- Tips: Work on a cool surface, avoid forcing connectors, ensure sealing surfaces are clean to prevent water ingress, and hand-tighten fasteners to avoid cracking the housing.
Why This Part Most Commonly Fails
- Water Ingress: Moisture entering the lamp causes corrosion of contacts or damage to bulbs/LED modules.
- Connector Corrosion: Oxidation on pins leads to intermittent or complete loss of signal.
- Impact Or Vibration Damage: Rear impacts or persistent vibration can crack the lens or loosen mounting points.
- Bulb Or LED Failure: Conventional bulbs burn out over time; LEDs generally last longer but can fail if electronics are exposed to moisture or voltage spikes.
- Wiring Issues: Chafed or damaged wiring and poor grounds cause malfunction even if the lamp assembly is intact.
Search by the listed product codes to quickly find the correct replacement. Suitable for professional fitment or competent DIY installation; replacing the third brake light promptly maintains safety and compliance.








