Gates 90K-39415 Serpentine Belt Drive Component Kit

Reliable Accessory Belt Drive Kit for Jeep Wrangler JK

The Gates Accessory Belt Drive Kit 90K-39415 is designed to provide a complete serpentine belt drive solution for Jeep Wrangler and Wrangler JK models. This kit includes a high-quality belt, tensioner assembly, and two idler pulleys engineered to maintain optimal belt tension and performance.

• Complete serpentine belt drive component kit including belt, tensioner, and two idler pulleys
• Belt outside circumference: 88.135 inches (2239 mm)
• Belt top width: 0.807 inches (20 mm)
• Tensioner assembly part number: 39415
• Idler pulleys part number: 36816 (two included)
• Belt part number: K060876

About the Gates Accessory Belt Drive Kit

The Accessory Belt Drive Kit from Gates is a comprehensive solution designed to replace all critical serpentine belt drive components in one package. This kit ensures proper fit and function for Jeep Wrangler and Wrangler JK vehicles, simplifying maintenance and reducing the risk of premature belt or pulley failure. The included tensioner assembly and idler pulleys are matched to the belt specifications, providing consistent tension and smooth operation.

Detailed Product Description

This serpentine belt drive component kit features a belt with an outside circumference of 88.135 inches (2239 mm) and a top width of 0.807 inches (20 mm), matching the exact specifications required for Jeep Wrangler and Wrangler JK models. The kit includes two idler pulleys (part number 36816) and a tensioner assembly (part number 39415) designed to maintain proper belt tension and alignment. The belt itself is identified by part number K060876, ensuring compatibility and reliable performance within the accessory drive system.

Common Applications and Issues Addressed

• Replacement of worn or cracked serpentine belts on Jeep Wrangler and Wrangler JK
• Resolving belt slippage or squealing noises due to tensioner or pulley wear
• Addressing accessory drive system failures caused by faulty tensioners or idler pulleys
• Preventing overheating or electrical charging issues related to belt drive problems
• Maintaining proper operation of power steering, alternator, and air conditioning components

Installation Notes and Tips

When installing the Gates Accessory Belt Drive Kit 90K-39415, ensure the belt routing matches the vehicle’s factory diagram. Verify that the tensioner assembly and idler pulleys are properly aligned to prevent premature belt wear. It is recommended to inspect all accessory drive components for damage or wear before installation. Use appropriate tools to relieve tension on the old belt and carefully position the new belt to avoid twisting or misalignment.

Quality Assurance and Warranty

Gates manufactures the Accessory Belt Drive Kit to meet or exceed OEM specifications for durability and performance. Each component undergoes rigorous quality control to ensure reliable operation in demanding automotive environments. While specific warranty details are not provided here, Gates typically offers coverage against defects in materials and workmanship. Consult product documentation or authorized distributors for exact warranty terms.