Genuine OEM Audi Engine Shaft Oil Seal, part number 028103086C. This critical sealing ring is designed to create a tight barrier around a rotating engine shaft, effectively preventing oil leaks and maintaining proper lubrication. It is typically installed at points where a shaft exits an engine casing, such as crankshafts or camshafts. Made from durable, oil-resistant material, this seal measures approximately 0.046m in diameter and weighs 0.0125 kg. Using a genuine OEM oil seal ensures precise dimensions and material composition, vital for long-term leak prevention and protecting internal engine components from contamination.