Windshield washer fluid cap — durable, leak-proof replacement that keeps your washer reservoir clean and functioning. Key benefits and attributes Function: Creates a strong seal to prevent leaks and spills, helping maintain washer performance and avoiding fluid loss. Material: Made from quality plastic that is durable, wear-resistant, and designed for toughness and crack resistance for long-term use. Performance: Resists everyday wear and environmental exposure so the cap remains reliable over time and helps preserve washer system effectiveness. Protection: Effectively blocks dust, dirt, and other impurities from entering the washer fluid reservoir, keeping the fluid cleaner and the system operating smoothly. Installation: Simple press-fit design — no tools required. A quick push seats the cap securely, making replacement fast and easy. Size and compatibility Designed as a direct replacement for washer fluid reservoir caps. Its compact, press-fit construction is intended to match typical reservoir openings; please verify your vehicle's cap size or compare to your existing cap to confirm fit. Typical use scenarios a cracked or leaking cap to stop washer fluid loss and restore a secure seal. After refilling or servicing the washer reservoir, use this cap to keep contaminants out and extend fluid life. Quick roadside or garage maintenance when you need a fast, tool-free cap swap to restore washer system reliability. What you get A long-wearing, easy-to-install washer fluid cap that prevents leaks, keeps out contaminants, and helps maintain windshield cleaning performance.