Gates 9551M Accessory Drive Belt - Air Conditioning

Gates 9551M Accessory Drive Belt

The Gates 9551M is a high capacity V-belt built for demanding accessory drive systems, including air conditioning applications on select Nissan models. Its notched construction and EPDM belt material help the belt conform to pulleys more consistently as engine temperatures rise, supporting stable operation and reduced belt noise.

Key Features

• High Capacity V-Belt (Standard) for accessory drive service
• Notched construction for improved flexibility and pulley tracking
• EPDM belt material for long service life in engine bay heat
• Polyester cord reinforcement for strength and dimensional stability
• 40-degree angle and HC50 Modified section
• Effective length: 55.18 in. (1402 mm)
• Outside circumference: 55.5 in. (1411 mm)

Product Details

Gates High Capacity V-Belt (Standard) products are engineered for accessory drive systems that see frequent heat cycling and sustained load. The 9551M uses a notched profile to improve flexibility, which helps the belt seat properly on the drive and maintain consistent performance as operating temperatures change. For buyers searching for a Nissan Pathfinder air conditioning belt, Nissan Pickup air conditioning belt, or Nissan D21 air conditioning belt, this part number provides a direct replacement option with the specified dimensions and construction.

This part cross-references Gates 25-9551M and 17551M for the same application.

Vehicle Fitment

• Fits 1990-1995 Nissan Pathfinder, Air Conditioning
• Fits 1995 Nissan Pickup, Air Conditioning
• Fits 1990-1994 Nissan D21, Air Conditioning

Common Issues This Belt Can Address

• Squealing from a worn or glazed accessory drive belt
• Loss of belt grip under heat and load
• Cracking, fraying, or visible wear on the existing belt
• Inconsistent air conditioning compressor drive performance
• Noise caused by belt slip during engine operation

Installation Notes

Verify belt routing, pulley alignment, and the listed dimensions before installation. Inspect the tensioner, idlers, and pulley grooves for wear or contamination, and replace any damaged components before fitting the new belt. After installation, confirm proper tension and recheck operation once the engine reaches normal temperature.

Quality Assurance

Gates manufactures accessory drive belts for demanding engine environments, with materials and construction selected to handle heat, flexing, and load changes in service. The 9551M is built as a direct replacement belt for the listed Nissan Pathfinder, Nissan Pickup, and Nissan D21 air conditioning applications.