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™.Stemco is a manufacturer of wheel end and suspension parts for heavy duty trucks and trailers. They ensure dependable, long-lasting, and cost-effective products are available to the market.Safety is what drives Stemco. They host on-site training and development opportunities for customers so they can learn tips to keep their investment on the road longer. They also have a strong focus on quality, with products going through a wide range of testing to ensure they are high-quality and withstand road demands.Stemco was founded in 1951 and their home base is in Longview, Texas. Stemco manufactures in Texas, Michigan, and China. However, they have divisions in the United States, Canada, Mexico, Australia, and China.