The water pump is a vital component of a vehicle's cooling system. Its primary function is to circulate coolant throughout the engine and radiator, ensuring optimal operating temperatures. By maintaining this temperature, the water pump helps prevent overheating, which can lead to severe engine damage. Typically driven by the engine's crankshaft, the water pump consists of a housing, an impeller, and a shaft. Regular maintenance, such as checking for leaks and ensuring proper coolant levels, is essential for the water pump's longevity. A failing water pump can cause engine overheating, making it crucial for drivers to be aware of any signs of malfunction.