This air cleaner cover is used for lawn mowers and other garden equipment with small engines. It is responsible for creating protection for the air filter, which ensures no dirt or debris gets into the engine and causes performance issues. The air cleaner cover is made of a durable plastic material that fits right over the air filter with slots for ventilation. These air cleaner covers can become damaged over time or through impact, which will require them to be replaced.Take a look at the air filter cover to see if there is any damage. This can be a cracked cover, broken holding tabs, or large scratches and cracks in the material. If these problems are occurring, the air cleaner cover needs to be replaced. There is no need to use tools to replace this cover. Simply take off the old air filter cover and snap in the new one before using the lawnmower again.This replacement part is compatible with lawn mowers by Craftsman, Lawn-Boy, Tecumseh, and Toro. It is a genuine OEM replacement part that is sourced directly from the manufacturer. This part comes as an individual item.