Genuine OEM Audi Air Filter Water Drain Hose, part number 7L6128653. This hose is specifically designed to drain accumulated water from the air filter housing, preventing moisture from affecting the air intake system. It ensures the air filter remains dry and functional. Made from durable, flexible rubber, it weighs 0.06 kg and measures 0.26m in length. Using a genuine OEM hose guarantees correct material properties and precise fitment, crucial for preventing leaks and maintaining air filter integrity.