Product: Washer Reservoir Cap (part no. 6432.38) Compatible with: Citroën C4 (2004–2015) Why you need this cap Seals the windshield washer fluid reservoir to prevent leaks, contamination, and evaporation. Restores proper fit and function after loss, damage, or wear of the original cap. Helps maintain washer system reliability so wipers and spray nozzles perform when you need them. Key features and benefits Compatibility: Specifically designed to fit Citroën C4 models from 2004 to 2015 (part number 6432.38). Durable material: Made from quality ABS plastic that resists rust and corrosion for longlasting service. Leak prevention: Correct fit helps keep washer fluid contained and prevents ingress of dirt and debris. Easy installation: Snapon design requires no tools — press into place by hand and confirm a proper seal. Reliable replacement: Manufactured to serve as a dependable spare or part for routine maintenance. Installation notes No tools required; align cap with the reservoir opening and press until it seats securely. After installing, verify the cap is fully fitted and sealed to avoid leakage during vehicle operation. Practical applications / use scenarios After service or : a missing or broken cap following enginebay work or windshieldwiper system maintenance. Seasonal maintenance: Fit a cap before winter to help prevent contamination and reduce the risk of frozen or diluted washer fluid exposure. Everyday reliability: a worn, cracked, or loose cap to restore a proper seal and keep washer fluid clean and usable. Materials and performance Material: quality ABS plastic, offering impact resistance and resistance to environmental degradation. Performance: Durable, corrosionresistant construction provides consistent sealing and long service life when used as a direct replacement for the original cap. Part details Application: Windshield washer fluid reservoir cap for Citroën C4 (2004–2015). Manufacturer part/reference number: 6432.38 If your Citroën C4's washer reservoir cap is missing, cracked, or no longer seals properly, this ABS replacement cap restores protection and function quickly and without tools.