HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 89576 Accessory Drive Belt Idler Pulley
Part #: 89576

Dayco 89576 Accessory Drive Belt Idler Pulley

⚙️ 6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Acura, TSX
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Reliable Accessory Drive Belt Idler Pulley for Acura TSX

The Dayco 89576 accessory drive belt idler pulley is engineered to maintain optimal tension and alignment of the serpentine belt system in Acura TSX vehicles. Constructed from durable steel, this idler pulley supports smooth belt operation and helps prevent premature wear.

  • Made from robust steel material for long-lasting durability
  • Designed with 7 grooves to accommodate serpentine belts
  • Compatible with serpentine belt types up to 7 ribs wide
  • Features a single bearing with a 17mm inner diameter and 14mm width
  • Precision dimensions: 75.4mm outer diameter and 29.6mm pulley width

Detailed Product Description

The Dayco 89576 idler pulley is specifically designed for the accessory drive belt system of Acura TSX models. Its steel construction ensures resistance to wear and deformation under high tension. The pulley includes a single bearing with a 17mm inner diameter and 14mm width, providing smooth rotation and reducing friction. With 7 grooves, it is compatible with serpentine belts featuring up to 7 ribs, supporting proper belt tracking and tension. The pulley’s dimensions—75.4mm outer diameter and 29.6mm width—are engineered to fit precisely within the accessory drive system, ensuring reliable performance and extended belt life.

Common Applications and Problem Resolution

  • Maintains proper tension and alignment of the serpentine belt in Acura TSX vehicles
  • Prevents belt slippage and uneven wear caused by worn or damaged pulleys
  • Reduces noise and vibration from the accessory drive system
  • Addresses issues related to belt misalignment or premature belt failure
  • Supports smooth operation of engine accessories driven by the serpentine belt

Installation Notes and Tips

When installing the Dayco 89576 idler pulley, ensure the serpentine belt is properly routed according to the Acura TSX service manual. Inspect the belt for signs of wear or damage and replace if necessary. Use appropriate tools to remove the old pulley and torque the new pulley to manufacturer specifications to avoid over-tightening. Regular inspection of the pulley and belt system can help maintain optimal performance and prevent unexpected failures.

Quality Assurance and Warranty

Dayco manufactures the 89576 idler pulley to meet or exceed OEM specifications for fit, form, and function. The steel construction and precision bearing design contribute to reliable performance in the accessory drive system. While specific warranty details are not provided, Dayco products typically come with a limited warranty against defects in material and workmanship. Refer to Dayco’s official documentation for complete warranty information.

BrandDayco
Part Number89576
MaterialSteel
106875.4
Groove Quantity7
25629.6
Belt TypeSerpentine
Bearing Inner Diameter 117
Bearing Width14
FlatN
Max Belt Width07 rib
Number of Bearings1

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2014AcuraTSX2.4LL4N/A
2013AcuraTSX2.4LL4N/A
2012AcuraTSX2.4LL4N/A
2011AcuraTSX2.4LL4N/A
2010AcuraTSX2.4LL4N/A
2009AcuraTSXN/AFrom Chassis/VIN 2028664

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