This is an authentic part that is supplied directly from the original equipment manufacturer for Craftsman and Tecumseh pressure washers, lawn mowers, and snow blowers. When pulled, the starter rope engages starter spring causing the engine turn fast enough for the ignition module to generate a spark to ignite the fuel in the cylinder. Th...Read moreis part is made of nylon rope and is sold individually. To install the rope you will need a screwdriver and socket wrench. Turn the starter spring to build tension and recoil the rope inside.