This coolant thermostat housing ( 25613-27000) is designed for use in Tucson 2004–2009, Santa Fe, Carens, and Ceed vehicles equipped with 2.0L and 2.2L engines, including engine types D4BB, D4EA, and D4BH.Made from aluminum, it provides heat resistance and supports efficient thermal dissipation to aid consistent cooling system performance.The housing is engineered for proper fitment and straightforward installation, helping regulate coolant flow and maintain engine operating temperature under normal driving conditions.