Heavy duty belts and tensioners help your truck’s cooling system operate correctly. If a belt or tensioner isn’t working properly, the risk of overheating is greater and could result in damage to your engine and other engine components.FleetPride carries an extensive line of quality, heavy duty belts and tensioners from the most popular brands. Our assortment includes engine accessory drive belts, accessory drive belt idler pulleys, heavy duty belt tensioners, and serpentine belts. Browse our diverse inventory to find the right part for your needs.Dorman HD Solutions has a reputation in the heavy duty truck and trailer industry for having a variety of parts for a complete repair. They use advanced reverse-engineering techniques to check into today's common failures and figure out the why. Afterward, they use findings to apply modern technologies to match OEM parts and solve the issues.Based in Colmar, PA, Dorman HD Solutions' roots started in 1918. Dorman HD Solutions’ goal is to provide cost-saving solutions to their customers. They take pride in their ability to reduce technicians' time and owners' money with their innovative products and solutions.