Genuine OEM Volkswagen Battery Vent Hose, part number 7L0915531A. This flexible, corrugated hose is a critical safety component designed to safely vent corrosive and explosive gases produced by the battery to the outside of the vehicle. It prevents the accumulation of these gases within the battery compartment or cabin. Measuring 0.275 meters in length and weighing just 0.0036 kg, it is made from durable, chemical-resistant material. Using a genuine OEM vent hose ensures proper routing, chemical resistance, and a secure connection for safe battery operation.