Gates 90K-39359B Serpentine Belt Drive Component Kit

Reliable Accessory Belt Drive Kit for Subaru Forester and WRX

The Gates Accessory Belt Drive Kit 90K-39359B is designed to provide a precise fit and dependable performance for Subaru Forester and WRX models. This serpentine belt drive component kit includes a high-quality belt and tensioner assembly engineered to meet exacting specifications.

• Includes serpentine belt with an outside circumference of 1924 mm (75.75 inches)
• Belt top width measures 20 mm (0.807 inches) for optimal fit
• Tensioner assembly part number 39359 included for proper belt tension
• Compatible with Subaru Forester and WRX models requiring this specific kit
• Part number 90K-39359B ensures correct replacement and fitment

About the Gates Accessory Belt Drive Kit

The Gates Accessory Belt Drive Kit line offers complete serpentine belt drive system components designed to maintain proper accessory drive function. This kit combines a durable belt and a tensioner assembly to ensure consistent belt tension and reliable operation. The 90K-39359B kit is tailored for Subaru vehicles, providing a matched set of components that meet manufacturer specifications.

Product Details and Specifications

This serpentine belt drive component kit features a belt with an outside circumference of 1924 mm (75.75 inches) and a belt top width of 20 mm (0.807 inches). The included tensioner assembly (part number 39359) is engineered to maintain optimal belt tension, reducing slippage and wear. The belt itself corresponds to part number K060751, ensuring compatibility and performance. These precise measurements and components are critical for maintaining the accessory drive system's efficiency in Subaru Forester and WRX models.

Common Applications and Problem Solving

• Replacement of worn or damaged serpentine belts in Subaru Forester and WRX
• Resolving belt slippage or squealing noises due to improper tension
• Addressing accessory drive system failures caused by belt or tensioner wear
• Preventing overheating or loss of power steering from belt failure
• Maintaining proper operation of alternator, water pump, and other driven accessories

Installation Notes and Tips

Ensure the belt is routed correctly according to the vehicle’s belt routing diagram. Verify the tensioner assembly part number 39359 matches the original equipment to guarantee proper fit. Inspect pulleys and accessory components for wear before installation. Use appropriate tools to relieve tension on the tensioner during belt replacement to avoid damage.

Quality Assurance and Warranty

Gates manufactures this Accessory Belt Drive Kit to meet or exceed OEM standards for durability and performance. The components are engineered for long service life under normal operating conditions. Please refer to Gates’ official warranty policy for specific coverage details related to this kit.