Dayco 89070 Belt Tensioner Pulley

Dayco No Slack Idler/Tensioner Pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and therefore longer pulley life.
Lifetime lubricated ball bearings
Double high temperature seals to assure peak bearing performance
Grooved pulley that contains specially formulated glass-filled polymers to insure a high strength, cooler running, wear resistant “”plastic”” pulley
Meets or exceeds OE quality