HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 89185 Accessory Drive Belt Idler Pulley - Air Conditioning
Part #: 89185

Dayco 89185 Accessory Drive Belt Idler Pulley - Air Conditioning

Air Conditioning
⚙️ 60 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Acura and Honda, Civic, Civic del Sol, CRX, Integra, and Prelude
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Dayco Accessory Drive Belt Idler Pulley 89185

The Dayco 89185 accessory drive belt idler pulley is engineered for reliable performance in select Acura and Honda vehicles. Designed specifically for serpentine belt systems, this steel pulley supports smooth belt operation and helps maintain proper tension in your vehicle's accessory drive.

  • Constructed from durable steel for long-lasting strength
  • Features 4 grooves compatible with serpentine belts
  • Bearing inner diameter of 17 mm and bearing width of 12 mm
  • Supports a maximum belt width of 4 ribs
  • Includes a single bearing for efficient rotation

Detailed Product Description

The Dayco 89185 idler pulley is a critical component in the accessory drive belt system, designed to guide and maintain tension on the serpentine belt. Made from steel, it offers durability and resistance to wear under demanding engine conditions. The pulley features four grooves, matching the rib count of compatible serpentine belts, ensuring proper belt alignment and reducing slippage. Its bearing has an inner diameter of 17 mm and a width of 12 mm, providing smooth rotation and minimizing friction. This pulley supports belts up to 4 ribs wide, making it suitable for various accessory drive configurations.

Compatible Vehicles and Applications

This idler pulley is compatible with multiple Acura and Honda models, including:

  • Acura Integra
  • Honda Civic
  • Honda Civic del Sol
  • Honda CRX
  • Honda Prelude

It is designed to replace worn or damaged idler pulleys in these vehicles, helping to maintain proper belt tension and accessory function.

Common Issues Addressed by This Idler Pulley

  • Eliminates belt slippage caused by worn or damaged pulleys
  • Prevents abnormal belt noise such as squealing or chirping
  • Reduces premature belt wear due to misalignment
  • Maintains proper tension in the serpentine belt system
  • Supports smooth operation of engine accessories like alternator and power steering

Installation Notes and Tips

When installing the Dayco 89185 idler pulley, ensure the serpentine belt is properly routed according to the vehicle’s service manual. Inspect the belt for wear and replace if necessary. Use appropriate tools to remove the old pulley and avoid damaging the bearing during installation. Verify pulley alignment and belt tension after installation to ensure optimal performance.

Quality Assurance and Warranty

Dayco manufactures this idler pulley to meet or exceed OEM specifications, ensuring reliable fit and function. The steel construction and precision bearing contribute to its durability. While specific warranty details are not provided, Dayco products typically come with a limited warranty against defects in materials and workmanship.

BrandDayco
Part Number89185
MaterialSteel
106874
Groove Quantity4
25617
Belt TypeSerpentine
Bearing Inner Diameter 117
Bearing Width12
FlatN
Max Belt Width04 rib
Number of Bearings1

This part fits 60 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2000HondaPreludeN/A
1999HondaPreludeN/A
1998HondaPreludeN/A
1997HondaCivic del Sol1.6LL4Air Conditioning
1997HondaPreludeN/A
1996HondaCivic del Sol1.6LL4N/A
1996HondaPrelude2.2LL4N/A
1996HondaPrelude2.3LL4N/A
1995AcuraIntegra1.8LL4Air Conditioning
1995HondaCivic1.6LL4N/A
1995HondaCivic1.5LL4N/A
1995HondaCivic del Sol1.6LL4N/A
1995HondaCivic del Sol1.5LL4N/A
1995HondaPrelude2.2LL4N/A
1995HondaPrelude2.3LL4N/A
1994AcuraIntegra1.8LL4Air Conditioning
1994HondaCivic1.6LL4N/A
1994HondaCivic1.5LL4N/A
1994HondaCivic del Sol1.6LL4N/A
1994HondaCivic del Sol1.5LL4N/A
1994HondaPrelude2.2LL4N/A
1994HondaPrelude2.3LL4N/A
1993AcuraIntegra1.7LL4Air Conditioning
1993AcuraIntegra1.8LL4Air Conditioning
1993HondaCivic1.6LL4N/A
1993HondaCivic1.5LL4N/A
1993HondaCivic del Sol1.6LL4N/A
1993HondaCivic del Sol1.5LL4N/A
1993HondaPrelude2.2LL4N/A
1993HondaPrelude2.3LL4N/A
1992AcuraIntegra1.7LL4N/A
1992AcuraIntegra1.8LL4N/A
1992HondaCivic1.6LL4N/A
1992HondaCivic1.5LL4N/A
1992HondaPrelude2.2LL4N/A
1992HondaPrelude2.3LL4N/A
1991AcuraIntegraN/A
1991HondaCivic1.6LL4N/A
1991HondaCivic1.5LL4N/A
1991HondaCRX1.6LL4N/A
1991HondaCRX1.5LL4N/A
1990AcuraIntegraN/A
1990HondaCivic1.6LL4N/A
1990HondaCivic1.5LL4N/A
1990HondaCRX1.6LL4N/A
1990HondaCRX1.5LL4N/A
1989HondaCivic1.6LL4N/A
1989HondaCivic1.5LL4N/A
1989HondaCRX1.6LL4N/A
1989HondaCRX1.5LL4N/A
1988HondaCivic1.6LL4N/A
1988HondaCivic1.5LL4N/A
1988HondaCRX1.6LL4N/A
1988HondaCRX1.5LL4N/A
1987HondaPrelude1.8LL4N/A
1987HondaPrelude2.0LL4N/A
1986HondaPrelude1.8LL4N/A
1986HondaPrelude2.0LL4N/A
1985HondaPrelude1.8LL4N/A
1985HondaPrelude2.0LL4N/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:

231185

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