Genuine OEM Audi Rear Windshield Wiper Arm Cap, part number 4K9955205A. This cap is designed to cover and protect the rear windshield wiper arm mechanism, providing a clean aesthetic finish and preventing the accumulation of dirt and debris. Positioned at the base of the rear wiper arm, it ensures proper function and appearance. Made from durable, weather-resistant plastic, this genuine cap offers a perfect fit and long-lasting protection against environmental elements.