This Schaeffler INA kit includes a high-quality water pump and a durable timing belt, designed to work seamlessly together. Properly maintaining your engine's timing system is crucial for preventing serious damage. This kit provides all the necessary components for a comprehensive replacement. The water pump ensures efficient coolant circulation, preventing your engine from overheating. The timing belt synchronizes the rotation of your engine's crankshaft and camshafts, vital for correct valve operation.