This is a genuine Generac replacement part. The air cleaner element is designed by the manufacturer for use in a generator. This part is an air filter element in a plastic and metal frame, and it is used to remove dust and debris from the air as it passes through the machine. No tools are required when replacing this item. Simply remo...Read moreve the knob and air cleaner cover so the old part can be removed and replace. This part is sold individually.