Genuine OEM Audi Engine Oil Separator, part number 079103464H. This component is essential for regulating crankcase pressure and separating oil vapor from blow-by gases before they are recirculated into the intake system. It is typically located on or near the engine block. Weighing 0.339 kg, this black plastic unit is designed for durability. Opting for a genuine OEM oil separator ensures precise pressure regulation and efficient oil separation, preventing potential engine damage and maintaining optimal emissions performance.