Gates 39372 Accessory Drive Belt Tensioner Assembly

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner 39372 is engineered for precise belt tension control in Mercedes-Benz vehicles. Designed specifically for models such as the A35 AMG, CLA45 AMG, and GLA250, this tensioner assembly ensures optimal performance of the accessory drive belt system.

• Thermoplastic construction for durability and heat resistance
• Single pulley design with a smooth backside contact surface
• Compatible with V-ribbed belt types
• Mounting hole quantity: 3 for secure installation
• Dimensions: 2.56 inches (65 mm) outside diameter, 0.87 inches (22 mm) width
• Bearing bore inside diameter: 0.67 inches (17 mm)
• OE exact comparison rating for reliable fit and function

Detailed Product Description

This accessory drive belt tensioner assembly from Gates features a thermoplastic body that offers resistance to wear and thermal stress, suitable for demanding engine environments. The single pulley, which is not flanged, has a smooth backside contact surface designed to work seamlessly with V-ribbed belts, maintaining consistent tension and reducing belt slippage. The tensioner’s three mounting holes provide a stable and secure fitment, ensuring proper alignment within the accessory drive belt system.

With an outside diameter of 2.56 inches (65 mm) and a width of 0.87 inches (22 mm), this tensioner assembly fits precisely in the designated space for Mercedes-Benz models including the A180, CLA250, and GLB35 AMG. The bearing bore inside diameter of 0.67 inches (17 mm) supports smooth pulley rotation, contributing to the overall efficiency and longevity of the belt system.

About the DriveAlign Premium OE Automatic Belt Tensioner Line

The DriveAlign Premium OE Automatic Belt Tensioner product line by Gates is designed to meet original equipment specifications, providing exact fit and function for modern vehicles. This line focuses on delivering reliable tension control with components engineered for durability and consistent performance. The 39372 part number is part of this line, ensuring compatibility and quality for Mercedes-Benz accessory drive belt systems.

Common Applications and Problem Solving

• Maintains proper tension on V-ribbed accessory drive belts
• Prevents belt slippage and premature wear
• Reduces noise caused by loose or worn tensioners
• Supports smooth operation of engine accessories like alternators and power steering pumps
• Addresses issues related to belt misalignment or tension loss

Installation Notes and Tips

When installing the Gates DriveAlign Premium OE Automatic Belt Tensioner 39372, ensure the mounting surface is clean and free of debris. Verify the tensioner aligns correctly with the belt path and that the three mounting holes are securely fastened. Use appropriate tools to avoid damaging the thermoplastic housing or pulley. Confirm belt tension after installation to prevent premature belt or tensioner wear.

Quality Assurance and Warranty

This Gates tensioner assembly is manufactured to meet OE standards, providing reliable performance for Mercedes-Benz vehicles. The part number 39372 carries an OE exact comparison rating, ensuring it matches original specifications. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed quality assurance to support durability and fitment.