Genuine OEM Volkswagen Vacuum Line, part number 7P0133798H. This line is responsible for transmitting vacuum pressure to various engine components, enabling the operation of vacuum-actuated systems. It is typically routed throughout the engine bay, connecting to components like the brake booster, EGR valve, or turbocharger wastegate. Constructed from durable, flexible rubber or plastic, it is designed to maintain vacuum integrity. Choosing a genuine OEM vacuum line ensures precise fitment, correct routing, and resistance to degradation, preventing vacuum leaks and maintaining optimal engine performance.