Gates 90K-39359C Serpentine Belt Drive Component Kit

Accessory Belt Drive Kit for Subaru Service

The Gates Accessory Belt Drive Kit 90K-39359C restores the serpentine drive system with OE-equivalent belt and tensioner components. It is built for direct service on Subaru Legacy, Outback, and Forester applications where belt wear, tension loss, or pulley noise can affect accessory drive performance.

Key Features

• Gates Accessory Belt Drive Kit for complete serpentine drive service
• Includes belt and tensioner for a coordinated repair
• OE-equivalent belt construction for factory-style fit and function
• Belt outside circumference: 86.926 in. / 2208 mm
• Belt top width: 0.807 in. / 20 mm
• Belt 1 part number: K060864
• Tensioner assembly part number: 39359
• Compatible with 2013-2014 Subaru Legacy, 2013-2014 Subaru Outback, 2012-2013 Subaru Forester, and 2011 Subaru Forester

Detailed Description

Gates 90K-39359C is an accessory belt drive kit for Subaru vehicles that need a full serpentine system refresh. By servicing the belt and tensioner together, this kit helps restore proper belt tracking and accessory drive operation while reducing the chance of repeat repairs caused by worn front-end drive components. This part cross-references Gates 90K-39359C for the same application.

Compatible With 2013-2014 Subaru Legacy, 2013-2014 Subaru Outback, 2012-2013 Subaru Forester, and 2011 Subaru Forester. The Gates Accessory Belt Drive Kit line focuses on complete serpentine service, giving technicians the belt and tensioner components needed to address wear in one repair. The 90K-39359C part number is commonly searched for Subaru Legacy, Subaru Outback, and Subaru Forester accessory belt drive replacement.

What It Helps Fix

• Squealing or chirping from a worn serpentine belt
• Belt slippage caused by a weak or failing tensioner
• Visible cracking, glazing, or edge wear on the belt
• Accessory drive noise from aging front-end components
• Repeat belt replacement caused by leaving the tensioner in service

Installation Notes and Tips

Inspect the belt path, tensioner movement, and pulley surfaces before installation. Replace worn accessory drive components as needed, and verify belt routing against the vehicle diagram during assembly. For Subaru Legacy, Outback, and Forester service, confirm the application by year and engine configuration before ordering and installing Gates 90K-39359C.

Quality Assurance

Gates supplies OE-style accessory drive components engineered for accurate fit and dependable service in serpentine belt repairs. The kit format supports a complete front-end accessory drive refresh using matched components for the listed Subaru applications.