Genuine OEM Hyundai Turbo Oil Supply Tube Bolt, part number 2825404550. This specialized bolt is designed to securely fasten the oil supply tube to the turbocharger assembly. It plays a critical role in maintaining a sealed connection for the vital oil flow to the turbo, preventing leaks and ensuring proper lubrication. Using a genuine OEM bolt guarantees the correct thread pitch, material strength, and sealing surface, which are essential for the high-temperature and high-pressure environment of the turbocharger system.