Ensure your vehicle is Ready for the Road Ahead with optimized drive belt tension, with the Dayco 89490 Heavy Duty Automatic Belt Tensioner. Thanks to its straightforward design, this replacement tensioner is able to help create the correct amount of tension on drive belts, delivering ample amounts of power to engine accessories such as water pumps, AC compressors, steering pumps, and alternators. Signs and symptoms that show a tensioner needs to be checked or removed include squeals, rattling sounds, chirps, or visible frays on a belt.
FleetPride is your First Click in Heavy Duty .
Decreases the risk of belt noise and slippage
Heavy duty aluminum castings engineered for high strength and reduced weight
Built to keep contamination out and resist cracking, fatigue, and deformation
High temperature grease extends pulley life and increases wear resistance while a hardened belt running service prevents wear
Made with a flat spring design to reduce the risk of premature accessory bearing failure due to high tension when a new belt is installed
Counter clockwise direction
Serpentine belt type
1-pulley
For Ford, Freightliner, Kenworth, Sterling Truck, and Thomas applications
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