Genuine OEM Volkswagen Vacuum Hose, part number 03L131051BE. This hose is part of the emissions system, specifically designed to carry vacuum pressure to control various actuators and valves within the engine. It is typically routed through the engine bay, connecting to components like the EGR valve or turbocharger wastegate. Made from high-quality, heat-resistant materials to ensure consistent performance. Genuine OEM ensures correct fit and reliable operation of emission control components, contributing to reduced emissions and optimal engine function.