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.
Features and Benefits:
- Chrome-silicone round torsion spring for less ex-fatigue than at-spring designs
- Double row bearings carry more load and last up to 3X longer than two individual bearings
- Long-lasting steel pulleys with dust shields to protect internal bearings from contamination
- Optimized components engineered for maximum strength and durability
- Patented damping mechanism provides maximum stability, reducing vibration and increasing the life of the belt, tensioner and other accessory drive components
- 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
Specifications:
Bearing Bore Inside Diameter:
1.18 in.
Bearing Bore Inside Diameter:
30 mm
Contact Surface:
V-Ribbed Grooved
Contents:
Tensioner Assy.
Mounting Hole Quantity:
1
Outside Diameter 1 (in):
3.23
Outside Diameter 1 (mm):
82
Pulley 1 Groove Quantity:
8
Freightliner Trucks #:
A4572001970
Mercedes-Benz #:
4572001970
Mercedes-Benz #:
4602000970
Mercedes-Benz #:
A4572001970
Mercedes-Benz #:
A4602000970
