Gates 39397 Accessory Drive Belt Tensioner Assembly

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner (Part Number 39397) is engineered for precise tension control in accessory drive belt systems. Designed specifically for select Audi and Volkswagen models, this thermoplastic tensioner assembly ensures consistent belt performance and durability.

• Constructed from durable thermoplastic material for long-lasting use
• Compatible with V-ribbed belt types commonly found in Audi and Volkswagen vehicles
• Features a smooth backside contact surface to reduce belt wear
• Includes one pulley without flanges, measuring 2.36 inches (60 mm) in outside diameter
• Mounting configuration includes two holes for secure installation
• Bearing bore inside diameter of 0.67 inches (17 mm) for precise fitment
• Width dimensions of 0.94 inches (24 mm) ensure proper alignment within the belt system

Detailed Product Description

The Gates DriveAlign Premium OE Automatic Belt Tensioner is designed to maintain optimal tension on the accessory drive belt, preventing slippage and ensuring efficient power transmission to engine components. Its thermoplastic construction offers resistance to heat and wear, while the smooth backside contact surface minimizes friction against the belt. The single pulley design without flanges supports V-ribbed belts, which are standard in many Audi and Volkswagen models such as the Beetle, Golf, Jetta, Passat, and Tiguan. With precise dimensions including a 2.36-inch outside diameter and a 0.67-inch bearing bore, this tensioner assembly fits securely and functions reliably within the accessory drive system.

About the DriveAlign Premium OE Automatic Belt Tensioner Line

The DriveAlign Premium OE Automatic Belt Tensioner product line by Gates focuses on delivering original equipment (OE) exact replacements. This ensures that the tensioner matches the specifications and performance of the factory-installed part. The line emphasizes durability and precise fitment, making it suitable for maintaining the integrity of the accessory drive belt system in vehicles like Audi and Volkswagen models.

Common Applications and Issues Addressed

• Prevents belt slippage and squealing noises
• Eliminates uneven belt wear caused by improper tension
• Reduces risk of accessory component failure due to belt misalignment
• Addresses tensioner pulley bearing wear or damage
• Restores proper belt tension after replacement or maintenance

Installation Notes and Tips

• Ensure compatibility with your specific Audi or Volkswagen model before installation
• Use proper tools to remove the old tensioner and install the new assembly securely
• Check belt alignment and tension after installation to avoid premature wear
• Inspect related components such as belts and pulleys during replacement
• Follow vehicle manufacturer torque specifications for mounting bolts

Quality Assurance and Warranty

The Gates DriveAlign Premium OE Automatic Belt Tensioner (Part Number 39397) is manufactured to meet OE standards, providing reliable performance and fitment. Gates typically offers a limited warranty on their DriveAlign product line, covering defects in materials and workmanship. For specific warranty details, refer to the product documentation or contact the manufacturer directly.