Windshield Washer Reservoir Cap Key benefits Precludes leaks and spills: A reliable sealing design keeps washer fluid securely inside the reservoir so you don't lose fluid or create messes in the engine bay. Lasting performance: Made from automotive-grade ABS plastic with good toughness and temperature resistance, so the cap resists cracking and deformation over time. Protects system integrity: Keeps contaminants out of the washer fluid and prevents overflow, helping the washer system operate reliably. Features Reliable sealing design to maintain a stable fluid level and prevent fluid loss. Main construction from ABS automotive-grade plastic for durability and impact resistance. Temperature resistance helps the cap retain shape and function under engine heat conditions. Prevents washer fluid from overflowing or escaping the reservoir. Function and performance Easy, direct function: seals the washer fluid container to keep fluid contained and uncontaminated. Durable under normal driving conditions and temperature variations common in engine compartments. Compatibility and fit Designed as a replacement windshield bottle/washer reservoir cap. Please verify the exact part number and compatible model year to ensure a proper fit with your vehicle. Typical applications / use scenarios 1. Replacement for a cracked, warped, or missing washer reservoir cap after age or road damage. 2. Preventing washer fluid loss and contamination during long trips or when transporting the vehicle. 3. Routine maintenance to restore a worn cap that no longer seals properly, improving washer system reliability. Care and installation Simple to install—remove the old cap and press the replacement into place until it seats securely. Inspect periodically for wear or damage, and replace if the seal or material shows deterioration. Important note Carefully check the part number and compatible model year to ensure you select the correct windshield bottle cap for your vehicle.