This FEBI BILSTEIN oil separator, part code 170879, is designed to manage crankcase vapors. It plays a crucial role in the crankcase ventilation system, preventing pressure buildup and the escape of harmful emissions. Proper functioning of the oil separator helps to maintain the optimal condition of your engine's lubrication system. By separating oil mist from the blow-by gases, it reduces oil consumption and prevents contamination of intake components. This component is essential for maintaining engine performance and longevity. FEBI BILSTEIN is known for its commitment to quality and precision engineering. This oil separator is manufactured to meet stringent standards, ensuring reliable performance and a precise fit for compatible vehicles.