The water pump is a crucial component of a vehicle's cooling system. Its primary function is to circulate coolant throughout the engine and radiator, ensuring that the engine operates at the optimal temperature. A well-functioning water pump helps prevent overheating, which can lead to serious engine damage. Typically driven by the engine’s crankshaft, the water pump uses a series of impellers to move the coolant. Regular maintenance, including checking for leaks and ensuring proper belt tension, is essential for the water pump's longevity. If a water pump fails, it can result in engine overheating, making timely replacement critical for vehicle health.