Genuine OEM Audi Engine Oil Sump, part number 03L103603K. This vital component is responsible for collecting and storing the engine oil, ensuring a continuous supply for lubrication and cooling of internal engine parts. It is located at the very bottom of the engine block, forming the lowest part of the crankcase assembly. Weighing approximately 3.04 kg and measuring 0.45m x 0.31m x 0.175m, it is typically cast from aluminum or stamped steel. Choosing a genuine OEM oil sump ensures an exact fit, proper sealing, and the correct internal baffling to prevent oil starvation during vehicle operation.