Material The windshield washer cover is made of solid plastic, offering a durable, reliable construction with long service life. What it is and why you need it Replacement sealing cap for wiper water tanks, designed to prevent washer fluid from overflowing into the reservoir while maintaining a smooth driving experience. Helps protect the washer system by reducing spills and leaks, keeping the reservoir and work area cleaner. Key benefits and features Prevents overflow and leakage: Seals the wiper water tank to minimize splashing and fluid loss. Maintains washer performance: Helps keep the washer fluid stored safely and the system operating efficiently. Durable construction: Solid plastic material ensures lasting use under typical driving conditions. Easy installation: No tools required; simple replacement in minutes. Installation instructions Remove the old cap, then position the plastic ring of this cap over the neck of the reservoir. Press the cap onto the mouth until it is securely seated. You are done. Design and compatibility Designed to prevent windshield washer fluid splashing and leaking, supporting cleanliness and efficiency of the washer system. Built to fit standard wiper fluid reservoirs, providing a straightforward replacement for worn or damaged caps. Use scenarios Routine maintenance: a worn or damaged cap to restore proper sealing and prevent leaks. Refilling and storage: Use after topping up washer fluid to keep the reservoir secure and minimize spills. Vehicle care and storage: Install during cleaning or longterm storage to prevent leaks in the engine bay.