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.With over 110 years of experience, Dayco is an OEM leader in high-quality belts, hoses, and engine accessories. Dayco products are made for efficiency and reliability with customers in mind. Their heavy duty truck and trailer experience allows them to improve the transfer of power quietly and efficiently.Dayco strives to improve how the world around us moves. As a result, customers benefit from the innovation behind the products and systems. They have a reputation for solutions that boost performance and durability.Headquartered in Troy, MI, Dayco’s mission is to “deliver innovative system solutions that move original equipment and aftermarket customers forward, always." Dayco has grown to more than 40 locations across 21 countries with over 4,000 employees.