Optimized components engineered for maximum strength and durability
Patented design provides superior belt alignment and tension for improved drive efficiency and life
Patented labyrinth seal prevents contamination of internal parts for maximum durability and service life
Long-lasting steel pulleys with dust shields to protect internal bearings from contamination
Double row bearings carry more load and last up to 3X longer than two individual bearings
Description
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.