Genuine OEM Audi Engine Oil Separator, part number 06H103495AK. This vital engine component separates oil vapor from crankcase gases before they are recirculated into the intake system. Its function is to prevent excessive oil consumption, maintain engine cleanliness, and reduce emissions. It is typically mounted on or near the engine block. Weighing 0.414 kg, this separator is constructed from durable plastics and high-quality seals. Using a genuine OEM oil separator ensures proper crankcase ventilation, prevents sludge buildup, and maintains optimal engine performance and longevity.