Genuine OEM Audi Radial Shaft Seal, part number 0CS311113A. This seal is engineered to prevent fluid leakage around a rotating shaft, protecting internal components from contamination and maintaining proper lubrication levels. It is a black circular seal, approximately 50mm in diameter, weighing 0.014 kg. Using a genuine OEM radial shaft seal ensures the correct material composition and precise dimensions for a perfect, long-lasting seal, critical for preventing premature wear and component failure.