Dayco 89681 Accessory Drive Belt Tensioner Assembly

Dayco 89681 Accessory Drive Belt Tensioner Assembly

The Dayco 89681 is an automatic accessory drive belt tensioner assembly for serpentine belt systems. It is built for clockwise rotation and uses a single flat pulley to maintain proper belt tension in the accessory drive system.

Key Features

• Accessory drive belt tensioner assembly for serpentine belt applications
• Automatic tensioning design helps maintain consistent belt load
• Clockwise rotation configuration
• Single pulley design with 76.3 mm pulley diameter
• Flat pulley profile with 22 mm pulley width
• Direct-fit service part for select Volvo applications

Detailed Description

This Dayco accessory drive belt tensioner assembly, part number 89681, is specified for select Volvo S60, S60 Cross Country, V60, V60 Cross Country, XC60, and XC70 models. It is designed for serpentine belt systems and uses an automatic tensioner layout to help keep belt tension within the proper operating range as the engine runs. The pulley measures 76.3 mm in diameter and 22 mm in width, with a flat pulley surface and clockwise direction.

Compatible With: Fits 2012-2016 Volvo S60, N/A; Fits 2016 Volvo S60 Cross Country, N/A; Fits 2015-2016 Volvo V60, N/A; Fits 2015-2016 Volvo V60 Cross Country, N/A; Fits 2016 Volvo XC60, N/A; Fits 2016 Volvo XC70, N/A. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What This Part Helps Address

• Serpentine belt slack caused by a worn tensioner
• Belt noise related to inconsistent tension
• Accessory drive belt tracking issues from pulley wear
• Reduced belt control in high-mileage engine accessory systems
• Service replacement needs on Volvo belt drive assemblies

Installation Notes and Tips

Verify pulley diameter, width, rotation direction, and belt routing before installation. Inspect the serpentine belt and adjacent pulleys for wear at the same time, since a worn belt or accessory pulley can shorten the service life of the new tensioner. Confirm vehicle application by year, make, and model before ordering the Dayco 89681.

Quality Assurance

Dayco is a recognized name in belt drive components, and this tensioner assembly is built to meet the demands of modern accessory drive systems. Part number 89681 is listed for specific Volvo fitments to support accurate replacement selection.