Dayco Automatic Belt Tensioner 89619 Hose-Pack Conventional style thermostat with inverse

Conventional style thermostat with inverse jiggle pin

Flange diameter: 36mm

Teeth: 219

DMH2956 (x1)

sludge and contaminants with the oil service drain

Dayco Automatic Belt Tensioner 89619 Hose-Pack Conventional style 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