Genuine OEM Audi Oil Separator, part number 06H103495AH. This component is crucial for separating oil vapor from crankcase gases before they are recirculated into the intake, and often incorporates a pressure control valve. It typically mounts on the engine, forming part of the positive crankcase ventilation (PCV) system. Constructed from durable automotive-grade plastic with integrated seals, it weighs approximately 0.567 kg. Using a genuine OEM oil separator ensures correct pressure regulation and efficient oil separation, vital for engine longevity and maintaining emission standards.