This is a genuine ECHO/Shindaiwa replacement part
It is compatible with over 150 machines listed below.

The Fuel Line Grommet is placed into the fuel tank. The Vent tube, Fuel return line and fuel line are inserted through the three holes. A worn Fuel Line Grommet will cause fuel to leak from the tank. When replacing the Grommet it is advisable to replace the fuel lines at the the same time.

This is an OEM part sourced directly from the manufacturer. The fuel filter helps to take out all the impurities and debris that could be harmful to the carburetor. This filter is most commonly used in trimmers, shredders, blowers, edgers and chainsaws. The compatible models are listed below. This part is made out of metal and a felt type material. This fuel filter is sold individually. To install this filter you will slide it onto the fuel line, then use a screw diver to position the clamp firmly over the nipple.

This is a genuine OEM replacement part, it is sold individually. Made of metal. Its purpose is to secure the fuel line to the fuel filter. It is commonly used with outdoor lawn equipment, and is compatible with the model numbers shown below.

The purpose of the vent tube is to allow air in to the fuel tank so that a vacuum is not created when the fuel is being fed through the fuel line.
Most of the time the Vent line is connected to a fuel line grommet that is installed on the fuel tank.
The fuel return line and the fuel line are also connected to the fuel line grommet.

The other way a fuel tank is vented in other engines is by use of a fuel cap with a air vent built into it.

The Fuel Tank Vent is connected to the Fuel Vent Tube.
The purpose of the vent tube is to allow air in to the fuel tank so that a vacuum is not created when the fuel is being fed through the fuel line.
Most of the time the Vent line is connected to a fuel line grommet that is installed on the fuel tank.
The fuel return line and the fuel line are also connected to the fuel line grommet.

The other way a fuel tank is vented in other engines is by use of a fuel cap with a air vent built into it.

This is a genuine Echo replacement part.
It is sold individually.

By pressing the bulb it will purge the air from the carburetor.
Then fuel will come up from the fuel tank through the fuel line then into the carburetor.
The excess fuel will be forced back into the tank through the fuel return line.

Over time the primer will lose its elasticity or crack and need to be replaced.