Genuine OEM Audi Y-Split Engine Water Coolant Hose, part number 059121051T. This Y-shaped hose is a critical component for conveying water and coolant within the engine cooling system, ensuring precise temperature regulation. It is approximately 0.292 meters in length. Using a genuine OEM hose guarantees correct routing, optimal flow characteristics, and resistance to the demanding conditions of the engine bay, preventing leaks and maintaining system efficiency.