Heavy duty shocks work with your truck’s suspension system to sustain traction by dampening leaf spring and air spring movement. These heavy duty truck parts also support your vehicle’s weight and reduce noise and vibration.FleetPride has an extensive inventory of heavy duty shocks and mounting parts, like shock absorbers, rubber bushings, shock absorber mounting accessories, and more. View our catalog of heavy duty parts that will keep you Ready for the Road Ahead™.Dayton Parts is well known for their aftermarket heavy duty truck and trailer products. Dayton Parts produces high-quality steering and suspension products. Products are made to withstand high stress using advanced technology. In addition, the company's diverse product portfolio ensures a whole solution from a single manufacturer.Dayton Parts is a Pennsylvania-based company founded in 1922. Dayton Parts operates from seven locations across the United States and Canada.