Compatibility: This coolant thermostat housing is designed for vehicles manufactured between 2017 and 2023.It is compatible with models requiring part numbers 55202371, 1535448, or 9S51-8575-AA (also listed as 9S518575AA). Temperature Regulation: The thermostat housing maintains engine coolant flow in accordance with function, supporting normal engine operating temperature control. Construction: Constructed from metal, the housing measures 13 x 9.5 x 6.5 cm. Installation: Designed for direct replacement, installation requires standard tools and follows the mounting configuration. Fitment: Compatible with vehicles from 2017 to 2023 that use the specified part numbers. Package Includes: 1 x Engine Coolant Thermostat Housing. Note: Actual product color may vary slightly from images due to monitor and conditions.Slight variation in measured dimensions may occur due to manual measurement.