Key benefits Prevents leaks and spills with a tight, reliable seal so washer fluid stays in the reservoir and your engine bay remains clean. Keeps contaminants out by blocking dust and impurities, protecting the pump and spray nozzles for consistent cleaning performance. Built to last: durable, wearresistant plastic resists cracking and holds up over longterm use. What this product is Windshield washer fluid (wiper) reservoir cap made from quality, impacttough plastic. Pressfit design for quick, tool installation — simply press into place to the existing cap. Performance and materials Strong sealing surface prevents fluid loss and evaporation. Material offers toughness and crack resistance to withstand temperature changes and routine vehicle use. Wearresistant construction reduces the need for frequent replacement. Size and compatibility Compact pressfit style designed for washer fluid reservoirs that accept pushin caps. Verify fit with your vehicle's existing cap before . Simple installation Remove the old or damaged cap and press this cap into the reservoir opening until it seats securely. No tools required, makes replacement fast during routine maintenance or roadside fixes. Practical use scenarios Routine maintenance: a cracked or degraded cap during seasonal service to protect the washer system. Post or accidental loss: Fit a secure replacement after accidental damage or when the original cap is missing. Preventative care: Use when topping up washer fluid to keep the reservoir clean and the pump reliable. Reliable, easy to install, and made to resist wear and cracking, this windshield washer fluid cap preserves washersystem performance and prevents leaks and contamination.