Genuine OEM Audi Radial Shaft Seal, part number 01S409086. This seal is designed to prevent the leakage of lubricants and the ingress of contaminants into critical drivetrain components, such as the transmission or differential. It is located within the transmission assembly. The dimensions of this seal are approximately 52mm in outer diameter, 52mm in inner diameter, and 12mm in thickness. Genuine OEM seals are manufactured with precise tolerances and high-quality materials to ensure reliable sealing and a long service life.