Genuine OEM Audi Switch Shaft Oil Seal, part number 012301457C. This small, black seal is designed to prevent oil leaks around a switch shaft, ensuring proper lubrication and preventing contamination. Weighing only 0.003 kg and measuring 0.025 meters in diameter, it provides a critical barrier. Using a genuine OEM oil seal ensures the correct material compound, precise dimensions, and optimal sealing characteristics, which are vital for preventing fluid loss and protecting internal components from damage.