Dayco 28580 Accessory Drive Belt - Fan To Air Conditioning

Dayco 28580 Accessory Drive Belt Overview

The Dayco 28580 accessory drive belt is built for accessory drive systems that need consistent grip, stable tracking, and dependable operation across a wide temperature range. This black double-cog belt uses a synthetic rubber compound and is sized for applications calling for a 58 in effective length and .88 in top width.

For buyers searching for an accessory drive belt for Ford, Freightliner, or Cummins equipment, Dayco 28580 offers an OE-style replacement option with SAE J636 and SAE J637 compliance. It is also cross-referenced to common aftermarket and OE part numbers for the same application.

Key Features

• Synthetic rubber compound construction for accessory drive service
• Double-cog profile for flexibility and pulley engagement
• Black finish with .88 in top width
• 58 in effective length and 58.64 in outside circumference
• 38-degree angle specification
• Operates from -35°F to 175°F
• Meets SAE J636 and SAE J637 standards

Detailed Product Description

Dayco 28580 is an accessory drive belt engineered for belt-driven engine accessories where dimensional accuracy matters. The double-cog construction helps the belt conform around pulleys, while the synthetic rubber compound supports steady performance in hot and cold operating conditions. With a 58-inch effective length, this belt is specified for applications that require a precise fit in the accessory drive belt system.

This part cross-references Gates 20A1480 and ACDelco T28583 for the same application. It is a practical search match for customers looking for Dayco 28580, accessory drive belt replacement, or OE-style belt service parts for Ford, Freightliner, and Cummins applications.

What This Belt Helps Address

• Squealing or slipping accessory drive belts
• Cracked, glazed, or worn belt surfaces
• Loss of accessory drive performance from belt stretch or age
• Incorrect belt length or width in service replacement
• Noise caused by poor belt tracking on pulleys

Installation Notes and Tips

Verify belt length, top width, and pulley routing before installation. Confirm the application against the vehicle or equipment service information, especially on Ford, Freightliner, and Cummins setups where accessory drive configurations can vary. Inspect pulleys, tensioners, and idlers for wear before installing the new belt, and replace any damaged components that could affect belt life.

Quality Assurance

Dayco manufactures this belt to SAE J636 and SAE J637 standards, supporting consistent dimensional and performance requirements for accessory drive service. The Dayco 28580 is built for direct replacement use in specified applications.