HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 89708 Accessory Drive Belt Tensioner Assembly
Part #: 89708

Dayco 89708 Accessory Drive Belt Tensioner Assembly

⚙️ 2 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota, Tacoma
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Overview of Dayco Accessory Drive Belt Tensioner Assembly

The Dayco 89708 accessory drive belt tensioner assembly is designed specifically for Toyota Tacoma vehicles. This automatic serpentine belt tensioner ensures proper belt tension and alignment, contributing to the efficient operation of your Tacoma's accessory drive system.

  • Automatic tensioner type for consistent belt tension
  • Serpentine belt compatibility
  • Counter clockwise rotation direction
  • Single pulley design with a 70 mm diameter
  • Pulley width of 33.4 mm with a flat surface

Technical Details and Specifications

The Dayco 89708 tensioner assembly features a single pulley with a 70 mm diameter and a 33.4 mm width, designed with a flat surface to optimize belt contact and reduce slippage. Its automatic tensioner mechanism maintains the correct tension on the serpentine belt, which is essential for the smooth operation of engine accessories. The pulley rotates counter clockwise, matching the accessory drive system requirements of the Toyota Tacoma. This precise fitment ensures reliable performance and longevity of the belt system components.

Compatible Vehicles and Applications

This accessory drive belt tensioner assembly is compatible with Toyota Tacoma models requiring a serpentine belt system with a counter clockwise tensioner pulley. The part number 89708 is engineered to meet the specifications of these vehicles, providing a direct replacement for worn or damaged tensioners.

  • Maintains proper serpentine belt tension
  • Prevents belt slippage and noise
  • Reduces premature belt wear
  • Ensures smooth operation of alternator, power steering, and other accessories
  • Addresses issues related to belt misalignment or tension loss

Installation Notes and Tips

When installing the Dayco 89708 tensioner assembly on a Toyota Tacoma, ensure the serpentine belt is properly routed according to the vehicle’s service manual. The automatic tensioner will apply the correct tension once installed, but verify pulley alignment and belt condition during installation. Use appropriate tools to relieve tension safely and avoid damage to the tensioner or belt.

Quality Assurance and Warranty

Dayco manufactures the 89708 accessory drive belt tensioner assembly to meet OEM standards for durability and performance. While specific warranty details are not provided here, Dayco products typically come with a limited warranty covering defects in materials and workmanship. Refer to Dayco’s official documentation for complete warranty information.

BrandDayco
Part Number89708
Belt TypeSerpentine
DirectionCounter clock wise
Number of Pulleys1
Pulley 1 Diameter70
Pulley 1 FlatY
Pulley 1 Width33.4
TypeAutomatic

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006ToyotaTacoma2.7LL4N/A
2005ToyotaTacoma2.7LL4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.