HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 89715 Accessory Drive Belt Tensioner Assembly
Part #: 89715

Dayco 89715 Accessory Drive Belt Tensioner Assembly

⚙️ 27 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Acura and Honda, RLX, TLX, RDX, Accord, MDX, and Crosstour
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Overview of Dayco Accessory Drive Belt Tensioner Assembly 89715

The Dayco 89715 accessory drive belt tensioner assembly is designed for reliable serpentine belt tensioning in select Acura and Honda vehicles. Engineered with a hydraulic mechanism and a single pulley, this tensioner supports smooth operation of the accessory drive system in models like the Honda Accord and Acura MDX.

  • Hydraulic assembly type for consistent belt tension
  • Single pulley design with a 76 mm diameter and 31.2 mm width
  • Clockwise rotation direction for proper belt alignment
  • Compatible with serpentine belt systems
  • Fitment includes Acura and Honda models such as Accord, Crosstour, MDX, RDX, RLX, and TLX

Technical Details and Specifications

The Dayco 89715 tensioner assembly features a hydraulic design that maintains optimal tension on the serpentine belt, reducing belt slip and wear. The single pulley has a diameter of 76 mm and a width of 31.2 mm, with a flat pulley surface to ensure proper belt contact and alignment. The tensioner rotates clockwise, matching the accessory drive system's operational direction in compatible vehicles. This precise engineering supports the accessory drive belt system components by maintaining consistent tension and reducing noise and vibration.

Compatible Vehicles and Applications

This accessory drive belt tensioner assembly is compatible with a range of Acura and Honda vehicles, including the Accord, Crosstour, MDX, RDX, RLX, and TLX models. It is specifically designed for serpentine belt systems in these vehicles, ensuring proper fit and function. The part number 89715 corresponds to this exact tensioner assembly, making it a suitable replacement for worn or damaged components in the accessory drive belt system.

Common Issues Addressed by Dayco 89715 Tensioner

  • Eliminates belt slippage caused by worn or weak tensioners
  • Reduces noise from loose or misaligned belts
  • Prevents premature belt wear and damage
  • Maintains proper accessory drive system performance
  • Helps avoid engine overheating due to accessory belt failure

Installation Notes and Tips

When installing the Dayco 89715 tensioner assembly, ensure the serpentine belt is properly routed according to the vehicle’s service manual. The clockwise rotation direction must be observed to align the pulley correctly. It is recommended to inspect the belt for wear and replace it if necessary during installation. Use appropriate tools to relieve tension safely and avoid damage to the hydraulic assembly. Proper installation will ensure optimal belt tension and accessory drive system performance.

Quality Assurance and Warranty

Dayco manufactures the 89715 accessory drive belt tensioner assembly to meet or exceed OEM specifications. The hydraulic design and durable pulley materials contribute to long service life and reliable operation. While specific warranty details may vary, Dayco products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.

BrandDayco
Part Number89715
Belt TypeSerpentine
DirectionClock Wise
Number of Pulleys1
Pulley 1 Diameter76
Pulley 1 FlatY
Pulley 1 Width31.2
TypeHydraulic Assy.

This part fits 27 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2020AcuraRLXGASN/A
2020AcuraTLX3.5LV6N/A
2019AcuraRLXGASN/A
2019AcuraTLX3.5LV6N/A
2018AcuraRDXN/A
2018AcuraRLXGASN/A
2018AcuraTLX3.5LV6N/A
2017AcuraRDXN/A
2017AcuraRLXGASN/A
2017AcuraTLX3.5LV6N/A
2017HondaAccord3.5LV6N/A
2016AcuraMDXN/A
2016AcuraRDXN/A
2016AcuraRLXGASN/A
2016AcuraTLX3.5LV6N/A
2016HondaAccord3.5LV6N/A
2015AcuraMDXN/A
2015AcuraRLXGASN/A
2015AcuraTLX3.5LV6N/A
2015HondaAccord3.5LV6N/A
2015HondaCrosstour3.5LV6N/A
2014AcuraMDXN/A
2014AcuraRLXGASN/A
2014HondaAccord3.5LV6N/A
2014HondaCrosstour3.5LV6N/A
2013HondaAccord3.5LV6N/A
2013HondaCrosstour3.5LV6N/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:

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