Genuine OEM Audi Fuel Vacuum Pipe, part number 1K0201983D. This pipe is an essential component of the fuel system, specifically designed to carry fuel vapors under vacuum conditions. It plays a role in the vehicle's emissions control system, preventing fuel vapor escape and maintaining system pressure. The pipe is flexible, green in color, and measures approximately 1.06 meters in length. Using genuine OEM fuel pipes ensures the correct material composition for fuel and vapor resistance, precise routing geometry, and secure, leak-free connections for optimal system performance and safety.