Genuine OEM Audi Oil Separator, part number 022103515B. This vital engine component is designed to efficiently separate oil vapor from crankcase gases before they are recirculated into the intake system. This process prevents oil consumption, reduces emissions, and maintains the cleanliness of engine components. Made from durable plastic, it weighs 0.199 kg. Choosing a genuine OEM oil separator ensures proper filtration efficiency, precise fitment, and long-term reliability, which are crucial for optimal engine health and compliance with emission standards.