Genuine OEM Volkswagen Windscreen Washer Fluid Reservoir Tank, part number 3C0955453Q. This essential component stores the fluid used by the vehicle's windshield and potentially headlight washer systems. It is typically located in the engine bay, providing a readily available supply of cleaning solution. Made from durable, translucent white plastic with a blue filler cap, it weighs approximately 0.421 kg. Choosing a genuine OEM reservoir ensures proper fitment, leak-free operation, and compatibility with the vehicle's washer pump and fluid level sensor.