Genuine OEM Audi Flanged Shaft Oil Seal, part number 02D409399. This seal prevents oil leakage from a rotating shaft, maintaining proper lubrication and preventing contamination. It is installed around a rotating shaft to create a fluid-tight barrier. Weighing 0.027 kg, this seal is made from durable, oil-resistant rubber. Choosing a genuine OEM seal ensures the correct dimensions, material composition, and sealing characteristics for a reliable, leak-free service life.