Gates 90K-39120A Serpentine Belt Drive Component Kit

Reliable Serpentine Belt Drive Kit for Jeep Commander and Grand Cherokee

The Gates Accessory Belt Drive Kit 90K-39120A is designed to provide a complete serpentine belt drive solution for Jeep Commander and Grand Cherokee models. This kit includes a high-quality belt and tensioner assembly engineered to meet precise fitment and performance requirements.

• Includes serpentine belt (Part Number K060864) and tensioner assembly (Part Number 39120)
• Belt outside circumference: 2208 mm (86.926 inches)
• Belt top width: 20 mm (0.807 inches)
• Compatible with Jeep Commander and Grand Cherokee vehicles
• Part of the Gates Accessory Belt Drive Kit product line

About the Gates Accessory Belt Drive Kit

The Gates Accessory Belt Drive Kit line offers comprehensive solutions for accessory drive systems, combining belts and tensioners designed to work together for optimal performance. This kit ensures proper belt tension and alignment, reducing wear and maintaining efficient power transmission in your Jeep Commander or Grand Cherokee.

Product Details and Specifications

This serpentine belt drive component kit features a belt with an outside circumference of 2208 mm (86.926 inches) and a top width of 20 mm (0.807 inches), matching the exact specifications required for the intended Jeep models. The included tensioner assembly (Part Number 39120) is engineered to maintain consistent belt tension, preventing slippage and premature wear. The belt included is identified by Part Number K060864, ensuring compatibility and reliable performance.

Common Applications and Problem Solving

• Replacement of worn or cracked serpentine belts on Jeep Commander and Grand Cherokee
• Resolving belt slippage or squealing noises due to tensioner failure
• Addressing accessory drive system issues such as poor alternator or power steering performance
• Preventing overheating caused by belt-driven cooling system malfunctions
• Maintaining proper belt alignment and tension for extended component life

Installation Notes and Tips

When installing the Gates Accessory Belt Drive Kit 90K-39120A, ensure the belt routing matches the vehicle’s factory diagram. Verify the tensioner assembly is properly mounted and moves freely to maintain correct belt tension. It is recommended to inspect pulleys and other accessory components for wear during installation to avoid premature belt failure.

Quality Assurance and Warranty

Gates products are manufactured to meet strict quality standards, ensuring durability and reliable operation. The Accessory Belt Drive Kit 90K-39120A is backed by Gates’ quality assurance protocols. Please refer to Gates’ official warranty documentation for specific coverage details.