4551 - Parts

This is a genuine OEM approved replacement primer bulb which is specially designed for use with Lawn Boy lawn mowers. By pressing on the purge bulb, it will force fuel into the line from the tank into the carburetor, once the carburetor is full of fuel, the excess will be purged back into the tank through the return line. Over time the pa...Read morert may deteriorate and crack eventually requiring replacement. It is made of high-quality rubber material and it is sold individually.