Windshield Washer Fluid Reservoir Cap — Durable Plastic, Universal Fit for Sedans, Cars and Trucks Why you need it Keeps your windshield washer system working reliably by sealing the reservoir and preventing leaks, spills and loss of fluid. Protects washer fluid from weather exposure — resistant to sunlight and rain — so the cap lasts a long time without cracking or deteriorating. Simple replacement that restores proper function quickly, saving time for both DIYers and professional technicians. Key features Material: Made from durable plastic engineered to resist wear from natural influences such as sun and rain. Designed for long-term use without damage. Compatibility: Universal fit for a variety of vehicle models; suitable for sedans, cars and trucks. Intended as a direct replacement for the washer fluid reservoir cap. Seal & performance: Tight-sealing design prevents leaks and preserves the integrity of the cleaning fluid, supporting consistent washer performance. Reliability: Stable and robust construction prevents overflow and unwanted spillage, helping maintain a clean windshield and a smoother drive. Installation: Tool-free, easy installation that saves time and effort — ideal for home maintenance or quick service in a shop. Typical applications Routine maintenance: Replace a cracked, loose or missing cap during regular vehicle servicing to stop leaks and protect washer fluid. Emergency roadside fix: Quick, reliable replacement to restore washer system function when the original cap is lost or damaged. Fleet and commercial vehicles: Use as a durable, easy-to-install spare for cars, sedans and trucks to reduce downtime and maintenance costs. Notes Intended as a functional replacement cap for windshield washer fluid reservoirs. Check fitment for your vehicle make and model if precise specifications are required. Easy to install and suitable for both do-it-yourself repairs and professional installation.