Fan Belts
A belt, driven by the crankshaft of an engine, that turns a fan for drawing cooling air through the radiator.The serpentine belt winds through your engine and carries power to several key components, including the alternator, air conditioning, and power steering pump. In some cars, the serpentine belt is also connected to the water pump. The timing belt, meanwhile, synchronizes the actions of your camshaft and crankshaft..