Genuine OEM Volkswagen Window Washer Reservoir Tank, part number 1EA955453H. This tank is designed to store the cleaning fluid for the vehicle's window washer system, supplying the nozzles for effective windshield and headlight cleaning. It is an integral part of the wiper and washer assembly. Constructed from durable, translucent plastic, it weighs approximately 0.47 kg and measures 0.56 meters in length. Using a genuine OEM reservoir ensures correct capacity, proper mounting points, and resistance to washer fluid chemicals, preventing leaks and ensuring system functionality.