Genuine OEM Volkswagen Intake System Connecting Hose, part number 06H133583E. This hose plays a role in the engine's intake system, connecting various components to ensure the proper flow of air or vacuum signals, which is critical for engine performance and emissions control. It is positioned within the intake manifold and airbox assembly. Made from durable, flexible materials, it resists oil, heat, and vacuum pressures. Choosing a genuine OEM hose guarantees the correct internal diameter, routing geometry, and material resistance for optimal engine efficiency and longevity.