HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 89567 Accessory Drive Belt Idler Pulley - Grooved Pulley or Lower
Part #: 89567

Dayco 89567 Accessory Drive Belt Idler Pulley - Grooved Pulley or Lower

Lower
⚙️ 8 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$84.37Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Mustang
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dayco Accessory Drive Belt Idler Pulley 89567

The Dayco accessory drive belt idler pulley 89567 is engineered for reliable performance in Ford Mustang vehicles. Constructed from durable steel, this pulley supports serpentine belt systems with precision and longevity.

  • Material: Steel for enhanced strength and durability
  • Groove Quantity: 10 grooves to accommodate serpentine belts
  • Belt Type Compatibility: Designed specifically for serpentine belts
  • Maximum Belt Width: Supports up to 10 rib belts
  • Bearing Specifications: Single bearing with 17mm inner diameter and 14mm width
  • Dimensions: 88.5mm outer diameter and 40.5mm pulley width

Detailed Product Description

The Dayco 89567 accessory drive belt idler pulley is a critical component in the belt system of Ford Mustang models. Its steel construction ensures resistance to wear and deformation under high tension. The pulley features 10 grooves, matching the serpentine belt profile commonly used in modern Mustang engines. With a maximum belt width of 10 ribs, it accommodates a wide range of accessory drive belts. The single bearing design, with a 17mm inner diameter and 14mm width, provides smooth rotation and reduces friction, contributing to the overall efficiency of the belt system.

Applications and Problem Solving

  • Maintains proper tension and alignment of the serpentine belt in Ford Mustang vehicles
  • Prevents belt slippage and premature wear
  • Reduces noise caused by worn or damaged pulleys
  • Supports accessory components such as alternators, power steering pumps, and air conditioning compressors
  • Replaces worn or damaged idler pulleys to restore belt system functionality

Installation Notes and Tips

When installing the Dayco 89567 idler pulley on a Ford Mustang, ensure the serpentine belt is properly routed according to the vehicle’s belt diagram. Use appropriate tools to remove the old pulley and avoid damaging the belt or surrounding components. Verify bearing rotation is smooth before installation. Torque the pulley to manufacturer specifications to prevent loosening during operation.

Quality Assurance and Warranty

Dayco manufactures the 89567 idler pulley to meet OEM standards for fit and function in Ford Mustang vehicles. The steel material and precision bearing assembly contribute to long service life. While specific warranty details may vary, Dayco products typically include coverage against manufacturing defects to ensure reliability and customer confidence.

BrandDayco
Part Number89567
40.5
88.5
Bearing Inner Diameter 117
Bearing Width14
Belt TypeSerpentine
Groove Quantity10
MaterialSteel
Max Belt Width10 Rib
Number of Bearings1

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2014FordMustang5.8LV8LowerGrooved - Compatible with Accessory Drive Belt Idler Pulley.
2013FordMustang5.8LV8LowerGrooved - Compatible with Accessory Drive Belt Idler Pulley.
2012FordMustang5.4LV8Grooved Pulley
2011FordMustang5.4LV8Grooved Pulley
2010FordMustang5.4LV8Grooved Pulley
2009FordMustang5.4LV8Grooved Pulley
2008FordMustang5.4LV8Grooved Pulley
2007FordMustang5.4LV8Grooved Pulley

* 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.