Gates 04-07 Peterbilt 379 Caterpillar C15 Diesel Fan & Alt. Belt Drive Tensioner

FleetRunner Heavy-Duty Automatic Belt Tensioners are the longest-lasting belt tensioners in the industry, engineered to exceed demanding OEM requirements. In laboratory tests under extreme peak-to-peak vibration and contamination tests, FleetRunner heavy-duty tensioners lasted up to 3X longer than competitive aftermarket tensioners.