Material: Metal Part Numbers: 145105AYH01, 14510-5AY-H01 Fitment: Designed for 2016-2019 Civic P10A1 1.0T car engines function: Helps maintain precise timing and engine by the valves open and close at the correct intervals, supporting efficient combustion and engine function Design: Constructed with metal components to support consistent function Included: 1 piece timing belt tensioner pulley This timing belt tensioner pulley is engineered to work with the timing belt system in the specified engine models.It maintains proper belt tension to support accurate valve timing, which is critical for engine efficiency and function.The design allows for direct replacement and compatibility with the listed vehicle applications.Its construction supports under normal operating conditions, providing a functional component for engine maintenance and repair.