Dayco Automatic Belt Tensioner 89446 Motorcycle Special design thermostat with inverse

Special design thermostat with inverse jiggle pin integrated into housing

High flow version of TT203 series

Equivalent to Ryco RTK277

A superior performing filter must excel in all three critical areas to be deemed fit to do the job: efficiency

Dayco Automatic Belt Tensioner 89446 Motorcycle Special design thermostat with inverseDayco No Slack Automatic Belt Tensioner is designed to maintain constant tension on serpentine belt drives. The serpentine belt drives consist of a single belt that powers most, if not all, of the engine's accessories. To maintain the proper tension throughout the drive, an automatic, spring loaded tensioner is incorporated into the drive system geometry. Dayco's Automatic Belt Tensioner features a patented "flat spring" design that's engineered to