Genuine OEM Audi Engine Oil Separator Valve, part number 079103245M. This valve is a crucial component of the crankcase ventilation system, regulating pressure and separating oil from blow-by gases before they are recirculated or vented. Weighing 0.243 kg, its precise internal mechanisms ensure efficient oil separation and proper crankcase pressure management. Using a genuine OEM oil separator valve is essential for preventing oil consumption, maintaining engine cleanliness, and ensuring optimal emissions performance.