Genuine OEM Volkswagen Vacuum Hose, part number 06A133778Q. This vacuum hose is a crucial component of the engine's air intake and vacuum control system. It facilitates the transmission of vacuum pressure to various actuators and sensors, ensuring proper operation of systems like the throttle body or emissions controls. Manufactured from durable, oil-resistant rubber compounds to withstand engine bay temperatures and prevent leaks. Genuine OEM parts ensure the correct diameter, length, and material properties for reliable vacuum control.