HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 89245 Accessory Drive Belt Tensioner Assembly
Part #: 89245

Dayco 89245 Accessory Drive Belt Tensioner Assembly

⚙️ 20 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Jeep, TJ, Wrangler, and Grand Cherokee
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Overview of Dayco Accessory Drive Belt Tensioner Assembly 89245

The Dayco Accessory Drive Belt Tensioner Assembly 89245 is designed for reliable serpentine belt tensioning in Jeep vehicles. Specifically engineered for Jeep Grand Cherokee, TJ, and Wrangler models, this automatic tensioner ensures consistent belt performance and longevity.

  • Serpentine belt type compatible
  • Counter clockwise rotation direction
  • Single pulley design with 70mm diameter
  • Pulley width of 26mm with flat surface
  • Automatic tensioner for precise belt tension control

Technical Details and Specifications

This Dayco accessory drive belt tensioner assembly features a single pulley with a 70mm diameter and a 26mm width, designed with a flat surface to optimize belt contact and reduce slippage. The tensioner operates in a counter clockwise direction, matching the belt routing requirements of select Jeep models. Its automatic tensioning mechanism maintains proper belt tension without manual adjustment, contributing to smoother engine accessory operation and reduced wear.

Compatible Jeep Models and Applications

The Dayco 89245 tensioner assembly is compatible with Jeep Grand Cherokee, Jeep TJ, and Jeep Wrangler vehicles. It is intended for use in the accessory drive belt system, ensuring proper tension on serpentine belts that drive alternators, power steering pumps, and other engine accessories.

  • Maintains correct serpentine belt tension
  • Prevents belt slippage and noise
  • Reduces premature belt wear
  • Supports smooth operation of engine accessories
  • Addresses issues related to belt misalignment or tension loss

Installation Notes and Tips

When installing the Dayco 89245 tensioner assembly, ensure the belt routing matches the counter clockwise direction specified. Verify pulley alignment and belt condition before installation. Use appropriate tools to relieve tension safely and avoid damage to the tensioner or belt. It is recommended to inspect the serpentine belt for wear and replace it if necessary during installation.

Quality Assurance and Warranty Information

Dayco manufactures the 89245 tensioner assembly to meet OEM specifications for Jeep vehicles. The product undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dayco typically offers coverage against defects in materials and workmanship, providing confidence in the part’s reliability for Jeep Grand Cherokee, TJ, and Wrangler applications.

BrandDayco
Part Number89245
Belt TypeSerpentine
DirectionCounter Clock Wise
Number of Pulleys1
Pulley 1 Diameter70
Pulley 1 FlatY
Pulley 1 Width26
TypeAutomatic

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006JeepTJ4.0LL6N/A
2006JeepWrangler4.0LL6N/A
2005JeepTJ4.0LL6N/A
2005JeepWrangler4.0LL6N/A
2004JeepGrand Cherokee4.0LL6N/A
2004JeepTJ4.0LL6N/A
2004JeepWrangler4.0LL6N/A
2003JeepGrand Cherokee4.0LL6N/A
2003JeepTJ4.0LL6N/A
2003JeepWrangler4.0LL6N/A
2002JeepGrand Cherokee4.0LL6N/A
2002JeepTJ4.0LL6N/A
2002JeepWrangler4.0LL6N/A
2001JeepGrand Cherokee4.0LL6N/A
2001JeepTJ4.0LL6N/A
2001JeepWrangler4.0LL6N/A
2000JeepGrand Cherokee4.0LL6N/A
2000JeepTJ4.0LL6N/A
2000JeepWrangler4.0LL6N/A
1999JeepGrand Cherokee4.0LL6N/A

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

This part directly replaces or is cross-referenced with the following part numbers:

38163

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.