Inside the strut is a piston shaft that pumps through a fluid chamber. The strut bellow covers the shaft and prevent dirt from entering the chamber which may eventually cause trouble. Dirt formed from road salt and water produce dangerous combination for your vehicle’s underbody parts. This chemical combination can cause great damage when they come in contact with struts. This is the main reason strut bellows exist. They keep your struts protected from dust, sand, dirt, salt and other road debris.
Strut bellows help to keep contaminants out of the shaft and fluid chamber. They expand the lifespan of your car struts. If the contaminants were to find their way into the chamber, they can cause corrosion that will, in turn, cause leak-out of the struts.
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