Genuine OEM Volkswagen Engine Oil Sump Upper Part, part number 057103601S. This component forms the upper section of the engine's oil pan, which stores the engine oil. It is situated at the lowest point of the engine block. Manufactured from cast aluminum, providing durability and aiding in heat dissipation. Genuine OEM parts are designed for a precise fit, ensuring a leak-free seal with the lower sump and engine block, and maintaining the correct oil capacity.