Manufacturers like Gates, Dyco Provides Premium Quality Serpentine belts, Serpentine Belt is a V-ribbed belt that is ribbed along one side. It’s much thinner than a drive belt in appearance. It bends easier and is much more flexible which allows it move and wrap around smaller accessories inside the engine. A Serpentine belt lasts longer than traditional drive belts and is much easier to remove and install. This belt also transmits power between the steering pump, alternator, water pump and air conditioner compressor.