Genuine OEM Hyundai Thermostat Housing Gasket, part number 256412G500. This gasket is essential for sealing the thermostat housing, preventing coolant leaks and ensuring the proper function of the engine's cooling system. It is positioned between the thermostat housing and the engine block or cylinder head. Weighing approximately 0.0095 kg, this gasket is designed for a precise fit. Using a genuine OEM gasket ensures the correct material composition and dimensions for a durable, leak-free seal under varying engine temperatures and pressures.