Dayco Automatic Belt Tensioner 89419 Ultimate+ The extended long life inhibitor

The extended long life inhibitor formulation prevents rust

Dayco® No Slack™ Idler/Tensioner Pulleys are designed to replace worn serpentine and v-belt drive idler and tensioner pulleys

containing molybdenum disulphide

High flow version of TT214 series

Equivalent to Ryco RTK35

Dayco Automatic Belt Tensioner 89419 Ultimate+ The extended long life inhibitorDayco 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