Genuine OEM Volkswagen EGR Vacuum Connecting Hose, part number 03N133241AD. This hose facilitates the precise flow of vacuum to the EGR (Exhaust Gas Recirculation) system, playing a vital role in emissions control. It is an integral part of the engine's emissions components. Made from durable, flexible materials, it ensures reliable operation. Choosing a genuine OEM hose guarantees correct routing geometry and resistance to engine bay conditions, preventing vacuum leaks and ensuring proper EGR system function.