Genuine OEM Volkswagen Activated Charcoal Breather Line, part number 2Q0201160. This flexible plastic tube is an integral part of the evaporative emission control (EVAP) system, specifically connecting to the activated charcoal canister. Its function is to allow fuel vapors to flow to and from the canister for storage and eventual combustion, preventing their release into the atmosphere. Equipped with quick-connect fittings, it ensures a secure, leak-free connection. Using a genuine OEM line guarantees the correct material composition and routing, vital for maintaining emissions compliance and system integrity.