Genuine OEM Audi Engine Oil Separator, part number 05E103495AP. This vital engine component is responsible for separating oil vapor from crankcase gases before they are recirculated into the intake system, preventing oil consumption and carbon buildup. It is typically located on or near the engine block. Constructed from durable, heat-resistant plastic, it weighs approximately 0.73 kg. Using a genuine OEM oil separator ensures proper function, precise sealing, and compliance with emissions standards, protecting engine components and performance.