Genuine OEM Volkswagen Washer Water Reservoir, part number 3Q0955453A. This component is the storage tank for the windshield washer fluid, supplying the system that cleans the front and rear windshields. It is typically located in the engine compartment. Constructed from durable plastic, it is designed to withstand temperature variations and resist leaks. Genuine OEM parts ensure the correct capacity and connection points for seamless integration with the washer system.