A Serpentine Belt is a continuous loop of rubber that is ribbed on the inside to provide traction. It is wrapped around a series of pulleys on the engine, including the pulley for the generator fan. As the engine runs, the crankshaft turns the serpentine belt, which in turn turns the generator fan.Attributes:• Has the ability to eliminate flipping• Manufactured to precise specifications and is built for durability and reliabilityApplications:A Serpentine Belt is used to drive the generator fan for the radiator which helps to cool the radiator, which in turn helps to keep the engine from overheating.