Gates 90K-39122 Serpentine Belt Drive Component Kit

Reliable Accessory Belt Drive Kit for Audi Vehicles

The Gates Accessory Belt Drive Kit 90K-39122 is designed to provide a complete serpentine belt drive solution for select Audi models. Engineered to meet precise specifications, this kit ensures optimal performance and durability for your Audi A4, A4 Quattro, A5, A5 Quattro, and Q5 vehicles.

• Includes serpentine belt, tensioner assembly (part number 39122), and idler pulley (part number 36331)
• Serpentine belt outside circumference: 1603 mm (63.129 inches)
• Belt top width: 20 mm (0.807 inches)
• Compatible with Audi A4, A4 Quattro, A5, A5 Quattro, and Q5 models
• Part number: 90K-39122

About the Gates Accessory Belt Drive Kit

The Gates Accessory Belt Drive Kit line offers comprehensive solutions for serpentine belt systems, combining high-quality belts with matching tensioners and idler pulleys. This kit (90K-39122) is tailored to maintain proper belt tension and alignment, reducing wear and ensuring reliable accessory drive operation in your Audi vehicle.

Detailed Product Description

This serpentine belt drive component kit includes a belt with an outside circumference of 1603 mm (63.129 inches) and a top width of 20 mm (0.807 inches), designed to fit the accessory drive system of specific Audi models. The included tensioner assembly (part number 39122) and idler pulley (part number 36331) work together to maintain optimal belt tension and routing, which is critical for the efficient operation of engine accessories such as the alternator, power steering pump, and air conditioning compressor.

Common Applications and Issues Addressed

• Replacement of worn or cracked serpentine belts on Audi A4, A4 Quattro, A5, A5 Quattro, and Q5
• Resolving belt slippage or squealing noises due to tensioner failure
• Addressing accessory drive system misalignment caused by faulty idler pulleys
• Preventing premature belt wear and accessory component damage
• Maintaining proper engine accessory function and vehicle reliability

Installation Notes and Tips

Ensure the engine is cool before beginning installation. Verify the belt routing matches the vehicle’s service manual. Inspect pulleys and accessory components for wear or damage before installing the new kit. Use appropriate tools to relieve tension on the old belt and carefully install the new belt, tensioner, and idler pulley to avoid misalignment. Double-check belt tension and alignment after installation to prevent premature wear.

Quality Assurance and Warranty

Gates manufactures the Accessory Belt Drive Kit 90K-39122 to meet or exceed OEM specifications for fit, form, and function. This kit undergoes rigorous quality control to ensure durability and reliable performance. Warranty coverage details should be confirmed with the product documentation or supplier.