Gates TR22508 Accessory Drive Belt - Fan or Fan and Alternator

Gates TR22508 Truck & Bus V-Belt Overview

The Gates TR22508 is a Truck & Bus V-Belt built for heavy-duty accessory drive systems in truck, bus, and off-road equipment. Its notched construction and EPDM belt material help it handle normal shock loads while maintaining consistent drive performance.

For buyers searching for a heavy-duty accessory drive belt for commercial vehicles, the TR22508 offers a 40-degree angle, RA section, and polyester cord reinforcement for dependable belt tracking in demanding service.

Key Features

• Gates Truck & Bus V-Belt, part number TR22508
• Notched construction for flexible operation in accessory drive systems
• EPDM belt material for durability in heavy-duty service
• Polyester cord material for reinforced belt stability
• RA cross section with a 15 mm top width
• Effective length: 1291 mm (50.84 in.)
• Outside circumference: 1306 mm (51.42 in.)
• 40-degree belt angle

Detailed Description

Gates Green Stripe Truck and Bus Series V-Belts are engineered for heavy-duty truck, bus, and off-road equipment applications where accessory drive reliability matters. The TR22508 uses a notched profile to improve flexibility around pulleys, while the EPDM construction and polyester cord help the belt maintain shape and resist normal shock loading in service. If you are replacing a truck or bus accessory drive belt and need a direct-spec belt with the correct RA section and dimensions, Gates TR22508 is a practical match for demanding commercial use. This part cross-references Dayco 22505 for the same application.

Search terms often used for this part include heavy-duty truck accessory drive belt, bus V-belt replacement, and Gates TR22508 belt for commercial vehicle service. It is also a relevant search for owners and technicians working on truck and bus belt replacement jobs where the correct length and section are critical.

What This Belt Helps Address

• Squealing or slipping accessory drive belts
• Cracked, glazed, or worn V-belts
• Loss of belt tension in heavy-duty drive systems
• Drive issues caused by shock loading in truck and bus service
• Replacement needs for accessory drive belt wear on commercial equipment

Installation Notes and Tips

Verify the belt section, effective length, outside circumference, and pulley angle before installation. Inspect pulleys, tensioners, and related accessory drive components for wear or misalignment before fitting the new belt. For truck and bus applications, confirm the replacement matches the original belt dimensions and routing requirements. Fits are not listed in the provided data, so confirm application by measurement and OE cross-reference before ordering TR22508.

Quality Assurance

Gates is a recognized supplier of belt-drive components for automotive and heavy-duty applications. The TR22508 is part of the Gates Truck & Bus V-Belt line, which is built around commercial-duty belt construction and material selection for accessory drive service.