WYLB-4 Walbro Engine - Overview

Genuine Walbro replacement part, this item is sold individually. By pressing the bulb, it will purge the carburetor of air. Fuel will be forced up from the fuel tank through the fuel line then into the carburetor. Then the excess fuel will be forced back into the fuel tank through the fuel return line. At some time the primer will lose ...Read moreits elasticity or crack and need to be replaced. We have an article and video on How to Replace a Primer Bulb, in our Repair Center. That can be found on the front page of our site.

This is a genuine manufacturer-sourced component which is specially designed for use with Walbro carburetors commonly installed on lawn and garden equipment. It is an identical replacement for a missing or a faulty diaphragm that was installed on a new unit. The part helps to provide a tight seal for the pump. Keep in mind this high-quali...Read morety item is made of durable composite material and is sold individually. Please make sure to check the appropriate diagrams of your model for the correct location and application of this components.

It is a genuine item that is supplied by the original equipment manufacturer for use with Walbro carburetors which are commonly installed on a variety of lawn and garden equipment. This is an identical replacement for a missing or a faulty inlet needle that was originally installed on a new unit. Please make sure to refer to the appropria...Read morete diagrams of your model for the correct location and application of this hardware. Keep in mind this high-quality inlet needle valve is made of durable metal and is sold individually.