Description
Washer Nozzle Peugeot 807
This genuine-fit washer nozzle is designed for the Peugeot 807 and compatible Stellantis MPV models such as the Citroën C8. Sold under part number 6438K2, the nozzle restores proper windshield washer spray pattern and coverage, helping to maintain clear vision in wet and dirty conditions. Ideal for professional workshops and skilled DIYers, this part is often searched by its product code (6438K2) when ordering replacements or performing front-end repairs.
Technical Information
- Manufacturer: Stellantis / Peugeot
- Model: Peugeot 807, Citroën C8
- Product Codes: 6438K2
- Additional Numbers: 6438.K2 (alternate notation)
Function And Application
The washer nozzle distributes washer fluid across the windshield to remove dirt, insects and road film, ensuring the wipers can clear the glass effectively. Correct spray angle and droplet size are important for optimum wiping performance and reduced streaking. This nozzle is a direct-fit replacement for the front washer system on the listed models and matches OE mounting points and fluid connection.
Installation Recommendations
- Preparation: Park the vehicle on level ground and open the bonnet to access the nozzle mounting area.
- Removal: Carefully release the retaining clips from the underside of the bonnet or remove the relevant trim if applicable; disconnect the washer hose and electrical connector if present.
- Fitment: Insert the new nozzle into the mounting hole until the retaining tabs click into place; reconnect the washer hose and any electrical connector.
- Adjustment and Test: Operate the washer system and check spray pattern and coverage. Adjust the nozzle orientation if required by gently moving the nozzle tip until the desired spray is achieved.
- Notes: Use plastic trim tools where possible to avoid scratching paint. If the nozzle has an electrical heater or adjuster, ensure connectors are clean and secure.
Why This Part Fails Most Often
- Clogging: Debris, scale from hard water or contaminated washer fluid can block the tiny orifice, reducing or stopping flow.
- Physical Damage: Stone chips, impact during minor collisions or accidental pressure from cleaning can crack or dislodge the nozzle.
- Plastic Ageing: UV exposure and temperature cycles make plastic brittle over time, leading to breakage or loss of sealing capability.
- Freezing: Water left in lines/nozzles can freeze in cold climates and cause splitting or internal damage.
Practical Tips For Professionals And DIYers
When replacing nozzles in workshop environments, always inspect the washer hoses and the pump for wear to prevent recurring issues. Clean the washer fluid reservoir and use a quality washer fluid with anti-freeze properties where required. Keep a compact nozzle cleaner or thin wire on hand to clear minor blockages, but replace the nozzle if there is persistent mis-spray or physical damage.
Ready to fit and commonly searched by the part code 6438K2 — a straightforward, cost-effective repair that significantly improves windshield cleaning performance and driving safety.
