Genuine OEM Audi Engine Oil Sump Lower, part number 059103602K. This component serves as the reservoir for engine oil, collecting it after it circulates through the engine. It is located at the lowest point of the engine assembly. Constructed from stamped steel, it provides a durable and leak-proof housing for the oil. Genuine OEM oil sumps are designed for precise fitment and to prevent oil leaks, ensuring proper engine lubrication.