Genuine OEM Hyundai EGR Cooler Hose, part number 284212M800. This hose is a crucial component of the exhaust gas recirculation (EGR) system, responsible for transporting coolant to the EGR cooler. Its function is to regulate the temperature of exhaust gases before they are recirculated into the engine, reducing harmful emissions. Using a genuine OEM hose ensures the correct heat and chemical resistance, precise routing geometry, and secure connections for reliable operation within the emissions system.