Function and benefit Provides a tight, reliable seal to prevent washer fluid leaks and spills, protecting vehicle finishes and maintaining consistent windshield cleaning performance. Keeps washer fluid in the reservoir where it belongs, reducing waste and preventing odors or mess in the engine bay. Material and durability Molded from quality plastic that is wearresistant and tough. Engineered for longterm use with good toughness and crack resistance to withstand repeated removal and exposure to temperature changes and automotive fluids. Performance and protection Effectively blocks dust, dirt, and other contaminants from entering the reservoir, helping preserve pump and nozzle performance. Maintains a clean fluid supply so the washer system continues to perform as intended. Installation and convenience Simple pushin design — a single press secures the cap in place for fast, tool replacement. Easy to remove when you need to up washer fluid, reducing service time. Compatibility and fit Intended as a direct replacement for windshield washer fluid reservoir caps; designed to match the function and fit of original caps used on compatible washer systems. Use scenarios a lost or cracked cap after routine enginebay maintenance to prevent leaks and contamination. Install during a winter check to keep washer fluid contained and of debris for reliable deicing and visibility. Swap out a worn cap as part of preparing a vehicle for resale or longterm storage to maintain a clean, functional washer system. What you get A durable, easytoinstall windshield washer fluid cap that restores sealing performance, protects the reservoir, and keeps your windshield washer system operating reliably.