Accessory Drive Belt Tensioner Assembly
The Gates FleetRunner 38702 Heavy-Duty Automatic Belt Drive Tensioner is engineered for reliable performance in the toughest engine applications. Designed to maintain precise tension for fan, alternator, water pump, and A.C. drives, it prevents belt slippage and reduces downtime. Tested under extreme vibration and contamination, this tensioner delivers up to three times the lifespan of standard aftermarket options. Built with a durable steel body, smooth contact surface, and a 30mm bearing bore, it fits 2011–2016 Freightliner Business Class M2 trucks with Cummins ISB engines, ensuring long-lasting, dependable operation.
$126.14
Specifications
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.
Weight
3.9000
UPC 770075707639
Bearing Bore Inside Diameter 1 (mm) 30
Contact Surface Smooth/Backside
Import or Domestic Domestic
Instruction Sheet Number 98-0017 (General Instructions)
Number of Pulleys 1
Outside Diameter (mm) 75
Width (mm) 32.5
Compatibility
2016-11 Freightliner, Business Class M2, Cummins ISB Diesel, Tensioner Assy. - Fan, A.C., Alt. & W.P.
Alternative Part Numbers
Litens 910588A
NAPA Belts/Hose 38702
Goodyear 49607
Tendeco 910588
Cummins 4929688
Cummins 5270678
CARQUEST 38702
ACDelco 38702
Dayco 89930
Dorman 419-375
Carquest 38702
NAPA Belts/Hose 38702
Goodyear 49607
Tendeco 910588
Cummins 4929688
Cummins 5270678
CARQUEST 38702
ACDelco 38702
Dayco 89930
Dorman 419-375
Carquest 38702
