Gates 90K-38123B Serpentine Belt Drive Component Kit

Reliable Accessory Belt Drive Kit for Ford Bronco and F-Series Trucks

The Gates Accessory Belt Drive Kit 90K-38123B is designed to provide a complete serpentine belt drive solution for Ford Bronco, F-150, F-250, and F-350 models. This kit includes essential components engineered to maintain optimal belt tension and smooth operation of your vehicle's accessory drive system.

• Complete kit includes belt, tensioner assembly, and idler pulley
• Serpentine belt with an outside circumference of 2387 mm (93.985 inches)
• Belt top width measures 20 mm (0.807 inches) for precise fit
• Tensioner assembly part number 38123 ensures proper belt tension
• Idler pulley part number 38015 designed for durability and smooth rotation

About the Gates Accessory Belt Drive Kit Line

The Gates Accessory Belt Drive Kit line offers comprehensive solutions for accessory drive systems, combining high-quality belts with matching tensioners and idler pulleys. This integrated approach ensures compatibility and reliable performance, reducing the risk of premature wear or failure. The 90K-38123B kit is tailored specifically for select Ford models, providing a matched set of components for efficient power transmission.

Detailed Product Description

This serpentine belt drive component kit includes a belt with an outside circumference of 2387 mm (93.985 inches) and a top width of 20 mm (0.807 inches), designed to fit the accessory drive systems of Ford Bronco, F-150, F-250, and F-350 vehicles. The kit also contains a tensioner assembly (part number 38123) and an idler pulley (part number 38015), both engineered to maintain proper belt tension and alignment. The belt part number K060935 is matched to these components to ensure consistent performance and longevity.

Common Applications and Issues Addressed

• Replacement of worn or cracked serpentine belts in Ford Bronco and F-Series trucks
• Resolving belt slippage or squealing noises due to tensioner failure
• Addressing accessory drive system misalignment caused by faulty idler pulleys
• Preventing overheating or loss of power steering from belt failure
• Maintaining proper operation of alternator, water pump, and other belt-driven accessories

Installation Notes and Tips

Ensure the vehicle is turned off and cooled before beginning installation. Remove the old belt, tensioner, and idler pulley carefully, noting their orientation. Install the new tensioner assembly and idler pulley using the specified part numbers to maintain system integrity. Route the serpentine belt according to the vehicle’s belt routing diagram, verifying the belt top width and circumference match the original specifications. Proper tension adjustment is critical to avoid premature wear.

Quality Assurance and Warranty

Gates manufactures the Accessory Belt Drive Kit 90K-38123B to meet or exceed OEM standards for durability and performance. Each component undergoes rigorous testing to ensure reliable operation under typical driving conditions. While specific warranty details may vary, Gates products generally include a limited warranty against defects in materials and workmanship.