Replacement Windshield Washer Fluid Cap Key benefits Prevents leaks and spills: A reliable, tight seal keeps washer fluid inside the reservoir so your washer system performs as expected and your engine bay stays clean. Keeps fluid clean: Effectively blocks dust, dirt and other contaminants from entering the reservoir, protecting the pump and nozzles. Built to last: Made from quality plastic that is wearresistant, tough and crackresistant for longterm use. Quick, tool swap: Simple pressin installation makes replacement fast and easy during routine maintenance or emergency repairs. Product attributes Function: Seals the windshield washer fluid reservoir to prevent leakage and contamination while maintaining cleaning performance. Material: Durable quality plastic offering good toughness and long service life. Performance: Strong seal and dustblocking design help maintain washer system reliability and reduce the risk of clogs or premature component wear. Installation: Tool, pushin installation — install or in seconds. Use scenarios Routine maintenance: a worn or missing cap after topping off washer fluid to ensure a secure seal and cleaner fluid. Post or accident: Swap in a cap if the original was damaged or lost during servicing or minor collisions. Seasonal protection: Install during winter or dusty conditions to prevent contamination and reduce the chance of frozen or clogged components. Practical notes Designed as a direct replacement cap for windshield washer fluid reservoirs; installs by pressing into place. Durable construction helps reduce the need for frequent replacements. This cap provides a simple, effective way to protect your washer fluid system, maintain cleaning performance and avoid leaks or contamination.