Description
Front left headlight, lamp for Citroën Xsara Picasso from 2005. Driver Side.
This Front Left Headlight is a direct-fit replacement for Citroën Xsara Picasso models from 2005 and is identified by common part references used across Stellantis spare parts listings. Ideal for professional workshops and experienced DIY mechanics looking for a reliable lighting unit that restores correct beam pattern and vehicle appearance. Including the original OE reference numbers in the product title increases visibility in searches (e.g. 9649557480, 620837, 89310170), making it easier to find the exact match for your vehicle.
Key Benefits
Direct Fit For Citroën Xsara Picasso Front Left Position · Restores Proper Illumination · Maintains Factory Mounting Points And Electrical Connector Compatibility · Suitable For Headlight Alignment After Installation
How The Part Functions
The headlight assembly houses the vehicle’s front beam optics (low/high beam as applicable for the model), the front indicator/side marker area and the reflector/lens system that focuses light onto the road. The assembly secures to the body with factory mounting points and connects to the vehicle wiring loom via the original connector. Proper sealing prevents moisture ingress and keeps electrical contacts corrosion-free.
Installation Recommendations
- Disconnect The Battery Before Starting Work To Avoid Short Circuits.
- Remove Any Trim Or Wheel Arch Liner Obstructing Access To Mounting Screws Or Clips.
- Unplug The Electrical Connector And Carefully Release The Mounting Fasteners.
- Fit The Replacement Unit, Hand-Tighten Mounting Fasteners, Then Torque According To Manufacturer Specifications If Available.
- Reconnect The Electrical Connector And Battery, Then Adjust Headlight Aim To The Correct Specification Prior To Road Use.
- After Installation, Verify All Lighting Functions (Low Beam, High Beam, Indicator) Operate Correctly.
Why The Part Most Commonly Fails
Headlight assemblies typically fail due to physical damage (stone chips or impact), lens yellowing or clouding from UV exposure, or water ingress causing condensation and electrical connector corrosion. Bulbs and internal adjusters can also wear over time, affecting beam aim and performance. Regular inspection for seal integrity and connector condition helps prevent premature failure.
Technical Information
- Manufacturer: Stellantis / Citroën
- Model: Citroën Xsara Picasso (2005)
- Product Codes: 9649557480
- Additional Numbers: 620837, 89310170
Additional Notes For Mechanics
When replacing the headlight, check the condition of the wiring connector and earth points; corroded pins reduce reliability and can cause intermittent faults. If the assembly requires adjustment after fitting, use the factory adjustment screws to align the beam both vertically and horizontally to avoid dazzling oncoming traffic. For vehicles with headlight leveling motors or washers, confirm those systems are present and compatible with the replacement unit before final installation.
