Genuine OEM Audi Radial Shaft Seal Ring, part number 0CJ409255. This seal is designed to prevent the leakage of fluids and the ingress of contaminants from the transfer case assembly. It is located within the transfer case housing. This part is a radial shaft seal ring. Genuine OEM seals are manufactured to precise specifications to maintain their sealing integrity and prevent leaks in critical drivetrain components.