Gates 90K-39359 Serpentine Belt Drive Component Kit

Reliable Accessory Belt Drive Kit for Subaru Vehicles

The Gates Accessory Belt Drive Kit 90K-39359 is designed to provide a precise fit and dependable performance for select Subaru models. This serpentine belt drive component kit includes a high-quality belt and tensioner assembly engineered to meet the demands of Crosstrek, Forester, Impreza, WRX, and XV vehicles.

• Includes serpentine belt (Part Number K060772) with an outside circumference of 1977 mm (77.815 inches)
• Tensioner assembly part number 39359 for optimal belt tension
• Belt top width measures 20 mm (0.807 inches) ensuring proper fit and function
• Compatible with Subaru Crosstrek, Forester, Impreza, WRX, XV, and XV Crosstrek models
• Part of the Gates Accessory Belt Drive Kit product line, designed for accessory drive system reliability

About the Gates Accessory Belt Drive Kit Product Line

The Gates Accessory Belt Drive Kit product line focuses on providing complete serpentine belt drive solutions that include both the belt and tensioner components. This integrated approach ensures compatibility and performance within the accessory drive system, reducing the risk of premature wear or failure. The 90K-39359 kit is engineered to meet the specific requirements of Subaru vehicles, maintaining proper belt tension and alignment for efficient engine accessory operation.

Detailed Product Description

This serpentine belt drive component kit features a belt with an outside circumference of 1977 mm (77.815 inches) and a top width of 20 mm (0.807 inches), designed to fit precisely on the accessory pulleys of compatible Subaru models. The included tensioner assembly (part number 39359) maintains the correct belt tension, which is critical for preventing slippage and ensuring smooth operation of engine accessories such as the alternator, power steering pump, and air conditioning compressor. The belt (part number K060772) is manufactured to meet strict quality standards, providing durability and consistent performance under various driving conditions.

Common Applications and Issues Addressed

• Replacement of worn or cracked serpentine belts on Subaru Crosstrek, Forester, Impreza, WRX, XV, and XV Crosstrek
• Resolving belt slippage or squealing noises caused by tensioner failure
• Addressing accessory drive system malfunctions due to improper belt tension
• Preventing premature belt wear from misalignment or tension loss
• Maintaining reliable operation of engine accessories for vehicle performance

Installation Notes and Tips

Ensure the vehicle is turned off and cooled before beginning installation. Verify the part numbers 90K-39359, K060772 (belt), and 39359 (tensioner assembly) match the replacement components. Follow the vehicle manufacturer’s service manual for proper belt routing and tensioner installation procedures. Inspect pulleys and accessory components for wear or damage during installation to avoid future belt issues. Proper torque specifications should be applied to tensioner mounting bolts to maintain correct belt tension.

Quality Assurance and Warranty

Gates manufactures the Accessory Belt Drive Kit 90K-39359 to meet or exceed OEM specifications for fit, form, and function. The components undergo rigorous quality control to ensure durability and reliable performance. While specific warranty details are not provided here, Gates typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.