Genuine OEM Audi Windshield Washer Fluid Reservoir, part number 8T0955453C. This plastic tank is designed to store the windshield washer fluid, which is then pumped to the washer nozzles to clean the windshield. It is an integral part of the vehicle's visibility system, ensuring clear views during driving. Measuring approximately 0.43 meters in length and weighing 0.778 kg, this reservoir is constructed from durable, translucent plastic. Using a genuine OEM washer fluid reservoir ensures correct capacity, proper mounting points, and a leak-free design, which are essential for reliable operation of the windshield washer system.