Genuine OEM Volkswagen Engine Oil Sump Lower, part number 057103602N. This component serves as the lower reservoir for engine oil, collecting it after it circulates through the engine. It plays a vital role in the lubrication system by ensuring a sufficient oil supply for the oil pump. The precise fitment and material integrity of a genuine OEM sump are critical for preventing leaks and maintaining engine health. Genuine OEM parts are manufactured to exact specifications for reliable performance.