Genuine OEM Audi Evaporative Emissions Hose, part number 4M0906272F. This hose is a vital component of the evaporative emissions system, responsible for routing fuel vapors, often connecting to the charcoal canister for proper capture and processing. It is a lightweight hose, weighing approximately 0.004 kg. Choosing a genuine OEM hose ensures the correct material composition for fuel vapor resistance and precise routing, which is crucial for maintaining emissions compliance and preventing fuel system issues.