Genuine OEM Hyundai Oil Cooler Pipe Hose, part number 2546904220. This critical component is designed to transport engine oil to and from the oil cooler, playing a vital role in regulating engine oil temperature. It is integrated into the engine cooling system, connecting directly to the oil cooler. Using a genuine OEM hose guarantees the correct routing geometry, material resistance to high temperatures and pressures, and secure connections, preventing leaks and ensuring efficient oil cooling.