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Dayco 89567 Accessory Drive Belt Idler Pulley - Grooved Pulley or Lower
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.
| Brand | Dayco |
| Part Number | 89567 |
| 40.5 | |
| 88.5 | |
| Bearing Inner Diameter 1 | 17 |
| Bearing Width | 14 |
| Belt Type | Serpentine |
| Groove Quantity | 10 |
| Material | Steel |
| Max Belt Width | 10 Rib |
| Number of Bearings | 1 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2014 | Ford | Mustang | 5.8L | V8 | Lower | Grooved - Compatible with Accessory Drive Belt Idler Pulley. |
| 2013 | Ford | Mustang | 5.8L | V8 | Lower | Grooved - Compatible with Accessory Drive Belt Idler Pulley. |
| 2012 | Ford | Mustang | 5.4L | V8 | Grooved Pulley | |
| 2011 | Ford | Mustang | 5.4L | V8 | Grooved Pulley | |
| 2010 | Ford | Mustang | 5.4L | V8 | Grooved Pulley | |
| 2009 | Ford | Mustang | 5.4L | V8 | Grooved Pulley | |
| 2008 | Ford | Mustang | 5.4L | V8 | Grooved Pulley | |
| 2007 | Ford | Mustang | 5.4L | V8 | Grooved 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.