Description
Third Brake Light For Citroën Xsara Picasso. Original Citroën.
Product Overview
High-mounted third brake light (center high mount stop lamp, CHMSL) designed for Citroën Xsara Picasso. This original-equipment replacement part restores rear signalling visibility and safety after a damaged or non-functioning rear centre lamp. Commonly searched by part numbers 6351Y2, 6351ER and 6351L0, the unit is suitable for mechanics and experienced DIY installers looking for a direct-fit solution.
Technical Information
- Manufacturer: Citroën (Stellantis)
- Model: Citroën Xsara Picasso
- Product Codes: 6351Y2, 6351ER, 6351L0
- Other Numbers: (N68), 6351.ER, 6351.L0, 6351.Y2, 6351ER, 6351L0, 6351Y2
Fitment And Compatibility
This third brake light is intended as a direct replacement for the centre brake lamp used on Citroën Xsara Picasso models. It is frequently referenced by its OE part codes (listed above), so customers often locate it using those numbers. Confirm visual match with the existing unit and connector type before installation to ensure proper fitment.
How It Works And Typical Failure Modes
The centre high-mounted brake lamp provides an additional, elevated brake signal to improve visibility for trailing drivers and reduce rear-end collision risk. Failure modes include bulb or LED element burnout, water ingress leading to corrosion, cracked or damaged lens, degraded seals, and wiring/connector faults. Environmental exposure and physical impact are the most common causes of damage.
Replacement Frequency
Longevity depends on technology and vehicle use: LED-based units typically last many years, while incandescent lamp assemblies may require replacement more often as bulbs age or wiring corrodes. Replace the unit immediately if the lamp does not illuminate reliably, if condensation is present inside the lens, or if the housing is visibly cracked.
Installation Recommendations
- Work Recommended For: Professional Auto Technicians Or Skilled DIYers.
- Tools Typically Required: Trim removal tools, Torx or Phillips screwdriver set, socket set, and electrical contact cleaner.
- Procedure Overview: Remove interior tailgate trim to access the lamp assembly; unfasten retaining screws or clips; carefully unplug the electrical connector; remove the old unit and fit the replacement; reconnect the plug and secure the assembly; reassemble trim and test function.
- Safety Advice: Disconnect the vehicle battery before beginning work to avoid short circuits and accidental activation. Take care with interior trim clips to avoid breakage.
- Post-Installation: Verify Brake Light, Parking Light (if integrated), And Hazard Light Operation From Both Manual Brake Application And Bulb/LED Self-Check If Available.
Why This Part Is Replaced
Technicians most often replace the third brake light because of water ingress causing corrosion, physical damage from impacts or lifted tailgate objects, failed bulbs or LED modules, and connector corrosion leading to intermittent operation. Addressing underlying sealing or wiring issues at the same time prevents repeat failures.
Search Tips
For quick results in parts catalogs or online stores, search by OE part numbers 6351Y2, 6351ER or 6351L0. Including the vehicle model name “Xsara Picasso” in the search increases accuracy when matching fitment and connector type.
