Genuine OEM Kia Thermostat Housing Gasket, part number 2564203001. This gasket forms a vital seal between the thermostat housing and the engine, preventing the leakage of engine coolant and ensuring the cooling system operates efficiently. It is located within the engine cooling system, specifically at the thermostat housing connection. Genuine OEM gaskets are manufactured from materials designed to withstand high temperatures and coolant chemicals, providing a durable, leak-free seal for reliable engine cooling.