This item is available as an individual replacement part. The washer attaches to the air cleaner lid. No tools should be needed during the installation of this item. It is made of metal and will require replacing if it breaks or bends. This is a genuine OEM sourced part which is specially designed for use with blowers, trimmers, and vacuums made by Echo and Shindaiwa.
This is an authentic Echo replacement part that is sourced from the original manufacturer to be used with chainsaws. The metal torx head bolt is commonly used to secure the air cleaner base to the carburetor assembly. This item is available as an individual replacement part.