Genuine OEM Volkswagen Engine Oil Separator, part number 04E103464AD. This component plays a vital role in the engine's crankcase ventilation system by effectively separating oil mist from blow-by gases before they are recirculated or vented. It is mounted directly to the engine block. Weighing 0.235 kg, this separator ensures proper engine lubrication and reduces oil consumption. Genuine OEM oil separators guarantee correct filtration efficiency and material resistance to oil and heat, preventing sludge buildup and maintaining emissions compliance.