Gates 02-05 Freightliner FS65 Mercedes-Benz MBE 900 Diesel Tensioner Assy. Belt Drive Tensioner

The Gates 38559 FleetRunner Heavy-Duty Automatic Belt Drive Tensioner features a chrome-silicone round torsion spring for improved flexibility and less fatigue compared to flat-spring designs. It incorporates double-row bearings, designed to carry more load and last up to three times longer than two individual bearings. The tensioner includes long-lasting steel pulleys with dust shields to protect internal bearings from contamination. Its patented damping mechanism provides maximum stability, reducing vibration and increasing the life of the belt, tensioner, and other accessory drive components. A patented labyrinth seal helps prevent contamination of internal parts, enhancing durability and service life. The components are optimized for maximum strength and durability, and its patented design ensures superior belt alignment and tension for improved drive efficiency and life.