Genuine OEM Hyundai Heater Pipe Assembly, part number 254582M800. This critical pipe assembly is responsible for circulating hot engine coolant from the engine cooling system to the vehicle's heater core, enabling the cabin heating function. Its precise bends and connections ensure proper routing and leak-free operation within the engine bay. Using a genuine OEM heater pipe guarantees correct material composition and exact fitment, preventing coolant leaks and maintaining the efficiency of the heating and cooling system.