Heavy duty spring suspension is the link between your truck’s wheels and its body. These heavy duty truck parts compensate for irregular and uneven road surfaces, so you can be comfortable while on the road. Semi truck spring suspension parts also keep your suspension system at a certain height and hold extra weight without slipping.FleetPride carries a diverse assortment of spring suspension parts, such as trailer leaf springs, truck hangers, semi truck torque rods, torque rod bushings, coiled spring pins, coil spring seats, leaf spring center bolts, rear leaf spring shackles, leaf spring shackle kits, hex head bolts, bolt sleeve spacers, and more. Take a look at our large inventory to find what you need to be Ready for the Road Ahead™.Triangle Springs, a part of Triangle Suspension Systems, is a trusted manufacturer and designer of leaf springs for heavy duty trucks and trailers. Triangle Springs provides leaf spring solutions and repair parts to protect your investment. Parts exceed OE and aftermarket standards and deliver performance consistently.Triangle Springs is proud to provide customers with cost-effective, high-quality solutions. The innovation behind their solutions includes unique anti-corrosion properties so customers can stay on the road longer.Triangle has headquarters in DuBois, Pennsylvania. Triangle takes pride in producing all products in the United States.