Genuine OEM Volkswagen vent hose, part number 427906272A. This hose is designed to facilitate the proper routing of vapors within the emissions control system. It is positioned as a critical link in the assembly as shown in the technical diagram. Manufactured to exact factory specifications, this hose provides the precise diameter and material resistance required for long-term durability. Choosing genuine OEM parts ensures the correct routing geometry and fluid resistance necessary to maintain the integrity of your emissions system.