Genuine OEM Audi Emission Vacuum Hose, part number 06E133773EP. This multi-branched hose assembly is crucial for the proper functioning of the vehicle's emission control systems, transporting vacuum signals to various components. It is typically routed within the engine bay, connecting to different emission-related actuators and sensors. Constructed from durable, lightweight material, it ensures precise routing and a secure, leak-free connection. Opting for a genuine OEM emission vacuum hose guarantees correct pressure regulation and system integrity, vital for maintaining emission standards.