Gates 9590 Accessory Drive Belt

Gates 9590 High Capacity V-Belt Overview

The Gates 9590 is a High Capacity V-Belt (Standard) built for accessory drive systems that see steady heat and load. Its notched EPDM construction helps the belt conform as engine temperatures rise, supporting reduced slippage and quieter operation.

For drivers and restorers searching for a Gates 9590 accessory drive belt, this XL V-belt is a direct replacement option for a wide range of older trucks, SUVs, and classic cars, including select Ford F-100, Ford F-250, Ford F-350, and Pontiac Bonneville applications.

Key Features

• High Capacity V-Belt (Standard) design for demanding engine drives
• Notched construction for improved flexibility and heat response
• EPDM belt material for long service life and stable performance
• Polyester cord material for strength and dimensional stability
• HC50 section with 36-degree angle and 12 mm top width
• Single-strand belt design for accessory drive use
• Effective length: 1499 mm (59 in.); outside circumference: 1539 mm (59.6 in.)

Product Details

Gates High Capacity V-Belt (Standard) part number 9590 is engineered as a durable replacement accessory drive belt for vehicles that rely on a traditional V-belt setup. The variable notched profile is designed to tighten on the drive as heat builds in the engine bay, which helps limit belt slip, improve belt performance, and reduce operating noise. This makes the Gates 9590 a practical choice for maintenance on older belt-driven systems where consistent accessory operation matters.

Compatible With select 1961-1974 and 1981-1987 applications, including Isuzu Pickup, Isuzu Trooper, Nissan 720, Chevrolet LUV, Ford Thunderbird, Lincoln Continental, Ford F-100, Ford F-250, Ford F-350, Ford LTD, Pontiac Bonneville, Pontiac Catalina, and Pontiac Grand Prix. This part cross-references Dayco 17590 and Continental 61760 for the same application.

Common Problems This Belt Can Address

• Belt squeal during startup or under accessory load
• Slippage caused by heat buildup in the engine compartment
• Reduced accessory drive performance from a worn or glazed belt
• Cracking, fraying, or hardening on an aging V-belt
• Noise from an accessory drive belt that no longer tracks properly

Installation Notes and Tips

Verify belt length, section, and application before installation. The Gates 9590 is a 12 mm HC50 V-belt with a notched profile, so it should be matched to the correct pulley system and accessory layout. Confirm whether the vehicle uses air conditioning, power steering, or fan drive routing, since several listed applications are position-specific and some notes exclude AC-equipped vehicles.

For fitment accuracy, compare the existing belt number and routing against the vehicle listing before service. On vehicles such as the Ford F-100, Ford F-250, Ford F-350, and Pontiac Bonneville, correct accessory routing is essential for proper tension and alignment.

Quality Assurance

Gates is known for producing replacement drive belts for automotive accessory systems, and this belt uses EPDM construction with polyester reinforcement for dependable wear characteristics in heat-prone engine environments. The design focuses on stable operation, reduced slippage, and consistent belt performance in standard V-belt applications.