Gates 5731 Accessory Drive Belt - Air Pump or Water Pump and Alternator

Accessory Drive Belt for Specialized Applications

The Gates 5731 accessory drive belt is built for rare and specialized applications where exact belt dimensions matter. It uses an EPDM belt body with a polyester cord for stable operation in passenger cars and light trucks, including select Ferrari Testarossa and Subaru Standard applications.

• Gates Special Belt line for uncommon fitments
• Laminated raw edge V-belt construction
• EPDM belt material for durability in accessory drive service
• Polyester cord material for consistent belt stability
• HC38 section with 36-degree angle
• Effective length: 35.08 in. / 891 mm
• Outside circumference: 35.5 in. / 900 mm
• Top width: 0.38 in. / 10 mm

Special Belt Line Details

Gates Special Belt coverage is aimed at rare and specialized applications that are not always served by standard catalog belts. Part number 5731 follows the HC38 profile and laminated raw edge V-belt design, making it a direct-spec choice for accessory drive systems that require this exact size and construction. This part number 5731 is also cross-referenced by DENSO Auto Parts 5731 for the same application.

Vehicle Fitment

• Fits 1985-1990 Ferrari Testarossa, Air Pump, Special Belt
• Fits 1980-1984 Subaru Standard, Water Pump and Alternator, Special Belt

Common Replacement Reasons

• Cracking or glazing on the accessory drive belt
• Squealing from worn belt surfaces or incorrect tension
• Loss of drive to the air pump, water pump, or alternator
• Belt stretch or mismatch from an incorrect profile
• Service replacement for a rare-fit accessory drive application

Installation Notes

Verify belt length, section, and angle before installation. Confirm the accessory drive routing and tensioner condition, then inspect pulleys for wear or contamination that can shorten belt life. For Ferrari Testarossa air pump service and Subaru Standard water pump and alternator service, match the belt to the listed application exactly. Part number 5731 should be installed only where the HC38 laminated raw edge V-belt specification is required.

Quality Assurance

Gates supplies coverage for rare and specialized applications, and this belt is built to the listed dimensional and material specifications for accurate fitment in confirmed applications.