Genuine OEM Volkswagen Shaft Oil Seal, part number 0XW103085A. This seal prevents oil from leaking out of the engine around a rotating shaft, specifically for the oil pump assembly. It is located at position 4 in the oil pump assembly diagram. The part has dimensions of 0.05m x 0.05m x 0.007m and weighs 0.02 kg. Genuine OEM seals are manufactured to precise tolerances to ensure leak-free performance and longevity.