Dayco Automatic Belt Tensioner 132021 Ultra-Rotor Opening Temp: 92°C

Opening Temp: 92°C

In order to meet OEM performance standards

performance and prestige vehicles at freeway speeds and beyond

It uses a technically advanced hybrid (HOAT - Hybrid Organic Acid Technology) inhibitor formulation which provides a stable long life coolant that prevents rust

DMH3948 (x1)

Dayco Automatic Belt Tensioner 132021 Ultra-Rotor Opening Temp: 92°CDayco 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