A fuel valve shut-off is an important piece that impacts the flow of fuel to the engine. It is designed specifically to be compatible with portable generators by the Generac brand.The fuel valve shut-off part is crucial because it manipulates the flow of oil. The purpose of the fuel valve shut-off is to attach to the fuel tank, and then it either allows fuel to pass to the engine, or it prevents the flow of fuel if the level is too low or if there is another problem. The replacement or repair process of the fuel valve shut-off should be straightforward, but the user replacing the part should always be sure to wear gloves during any assembly, replacement, or installation processes. The user should also refer to the owner's manual of their equipment and any guiding diagrams that clarify the placement location.This fuel valve shut-off is made out of metal and plastic. This fuel valve shut-off is an original OEM part sourced directly from the manufacturer, Generac. It is sold individually.