This is a genuine manufacturer sourced replacement part designed for use with handheld lawn and garden equipment. It provides a seal for the gas cap. Over time seal will become brittle and compressed, then will have to be replaced. This part is made out of composite material and it is sold individually. No tools needed to replace this gasket, simply remove the old one and place a new gasket inside the fuel cap.
This is a genuine replacement part for Shindaiwa and Echo edgers. The washer is used as a spacer for the screw as well as a catch for the swing arm to prevent it from freely spinning in the recoil assembly. The washer is made of high-quality plastic. This item is sold individually.