Dayco 28455 Accessory Drive Belt - Fan

Accessory Drive Belt for OE-Style Service

The Dayco 28455 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 synthetic rubber compound belt uses a double cog construction to help maintain flexibility and performance in demanding engine bay conditions.

With a 0.88-inch top width, 45.50-inch effective length, and 46.14-inch outside circumference, the Dayco 28455 is a direct-fit style accessory drive belt for service replacement applications. It meets SAE J636 and SAE J637 standards and is engineered for use in vehicles that call for this belt size, including Ford, GM, Cummins, and other OE cross-reference applications.

Key Features

• Part number: Dayco 28455
• Synthetic rubber compound construction for durable belt service
• Double cog design for added flexibility
• 0.88-inch top width for proper pulley engagement
• 45.50-inch effective length and 46.14-inch outside circumference
• Black finish for standard accessory drive belt applications
• Operating temperature range: -35°F to 175°F
• Built to SAE J636 and SAE J637 standards

Detailed Description

The Dayco 28455 accessory drive belt is specified for accessory drive belt system service where correct length, width, and construction are critical. Its double cog profile helps the belt flex around pulleys while maintaining contact and reducing stress in the drive system. The synthetic rubber compound is selected for everyday engine compartment conditions, including heat and cold cycling.

This belt cross-references ACDelco T28454 and CARQUEST TR28454 for the same application. It is also associated with OE and aftermarket references used across Ford, General Motors, Cummins, Freightliner, Mack, Navistar, and related platforms. For buyers searching for a Dayco 28455 accessory drive belt for Ford, GM, or Cummins service, this part number is the key identifier to verify against the original belt specification.

What It Helps Address

• Squealing or slipping accessory drive belts
• Cracking, glazing, or visible belt wear
• Loss of proper alternator, water pump, or accessory drive performance
• Incorrect belt length or width during replacement
• Reduced belt flexibility in cold-weather operation

Installation Notes and Tips

Verify the original belt length, width, and profile before installation. Match the Dayco 28455 to the vehicle’s belt routing and pulley layout, and inspect tensioners, idlers, and pulleys for wear before installing a new belt. Proper alignment is important for long belt life and quiet operation.

For fitment-based searches, this part is commonly referenced for accessory drive belt replacement on Ford, GM, and Cummins applications. Confirm the OE number or existing belt markings before ordering, especially when searching for a Dayco 28455 replacement belt for Ford or GM service.

Quality Assurance

Dayco manufactures this belt to SAE J636 and SAE J637 standards, supporting consistent dimensional and performance requirements for accessory drive service. The part number 28455 is the primary reference for identification and cross-checking against OE and aftermarket listings.