Genuine OEM Audi Gearbox Drain Sealing Bolt Kit, part number 0D5398048. This repair kit is essential for maintaining the integrity of the gearbox, providing secure sealing for the drain and fill points. It prevents transmission fluid leaks, which are crucial for proper lubrication and operation of the gearbox. The kit includes various sealing bolts, likely made of aluminum, with integrated rubber O-rings, and a protective cap. Using genuine OEM sealing components ensures precise thread fitment, correct material composition, and optimal sealing performance, preventing costly fluid loss and potential gearbox damage.