HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 89591 Accessory Drive Belt Idler Pulley - Alternator
Part #: 89591

Dayco 89591 Accessory Drive Belt Idler Pulley - Alternator

Alternator
3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Suzuki, Grand Vitara
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Overview of Dayco Accessory Drive Belt Idler Pulley 89591

The Dayco 89591 accessory drive belt idler pulley is engineered for reliable performance in Suzuki Grand Vitara vehicles. Constructed from durable steel, this serpentine belt idler pulley supports the accessory drive belt system by maintaining proper tension and alignment.

  • Material: Steel construction for strength and durability
  • Belt Type: Designed for serpentine belts
  • Maximum Belt Width: Supports up to 4 rib belts
  • Bearing Width: 12.8 mm for smooth rotation
  • Number of Bearings: Single bearing design
  • Flat pulley design compatible with specific belt configurations

Detailed Product Description

The Dayco 89591 idler pulley is a critical component in the accessory drive belt system of Suzuki Grand Vitara models. Its steel material ensures resistance to wear and deformation under continuous engine operation. The pulley is designed to accommodate serpentine belts with up to 4 ribs, making it suitable for modern accessory drive setups. Featuring a single bearing with a 12.8 mm width, the pulley provides consistent, low-friction rotation to maintain belt tension and reduce noise. The flat pulley profile is optimized for specific belt routing requirements, ensuring proper belt tracking and longevity.

Compatible Vehicles and Applications

This accessory drive belt idler pulley is compatible with Suzuki Grand Vitara models requiring part number 89591. It is intended for use in the belt system to address issues related to belt tension and alignment.

  • Prevents belt slippage and misalignment
  • Reduces noise caused by worn or damaged pulleys
  • Maintains proper belt tension to avoid premature belt wear
  • Supports smooth operation of engine accessories
  • Helps prevent accessory drive system failures

Installation Notes and Tips

When installing the Dayco 89591 idler pulley on a Suzuki Grand Vitara, ensure the belt routing matches manufacturer specifications. Inspect the serpentine belt for wear and replace if necessary to maximize system performance. Proper torque should be applied to mounting bolts to avoid pulley misalignment or damage. Regular inspection of the pulley and belt system is recommended to maintain optimal function.

Quality Assurance and Warranty

Dayco manufactures the 89591 accessory drive belt idler pulley to meet OEM standards for fit and function. The steel construction and bearing design are tested for durability and performance under typical operating conditions. Warranty coverage details should be confirmed with the product documentation or supplier to ensure protection against manufacturing defects.

BrandDayco
Part Number89591
17
80
Bearing Width12.8
Belt TypeSerpentine
FlatY
MaterialSteel
Max Belt Width04 Rib
Number of Bearings1

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
2008SuzukiGrand VitaraAlternator
2007SuzukiGrand VitaraAlternator
2006SuzukiGrand VitaraAlternator

* 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.