Key benefits Prevents leaks and spills with a strong, reliable seal so washer fluid stays in the reservoir and not on your engine bay or garage floor. Keeps washer fluid clean by blocking dust and contaminants, preserving pump and nozzle performance. Durable construction reduces the need for frequent replacement. What it is A windshield washer fluid reservoir cap made from quality plastic that resists wear, cracking, and everyday impact. Main attributes Function: Tight sealing cap to stop leaks, spills, and evaporation while maintaining proper washer system performance. Material: Tough, wearresistant plastic engineered for good toughness and crack resistance. Performance: Longlasting seal and contamination protection that helps maintain consistent cleaning efficiency. Installation: Simple presson design — install or remove quickly without tools. Practical applications a lost or damaged cap after maintenance to prevent spills and contamination. Use on vehicles stored outdoors or driven on dusty roads to keep debris out of the reservoir. Install before long trips or during winter to avoid fluid contamination and maintain washer reliability. Why it matters A properly seated, durable cap protects your washer system, reduces maintenance needs, and helps ensure clear visibility when you need it most. Note: Designed as a directfit, userfriendly washer fluid reservoir cap with the functions and materials described above.