Gates 39428 Accessory Drive Belt Tensioner Assembly

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner 39428 is engineered to maintain optimal tension on the accessory drive belt system. Designed for select Dodge, Fiat, and Jeep models, this tensioner assembly ensures consistent belt performance and longevity.

• Constructed from durable steel and thermoplastic materials
• Compatible with V-ribbed belt types
• Single pulley design without flange
• Outside diameter of 2.56 inches (65 mm)
• Width measures 0.91 inches (23 mm)
• One mounting hole for secure installation
• Bearing bore inside diameter of 0.67 inches (17 mm)
• Includes tensioner assembly and bolt
• OE exact comparison rating for reliable fit and function

Detailed Product Description and Specifications

This accessory drive belt tensioner assembly from Gates features a robust steel and thermoplastic construction, providing durability and resistance to wear. The single pulley, which is smooth on the backside and lacks a flange, measures 2.56 inches in outside diameter and 0.91 inches in width, designed specifically for V-ribbed belts. The bearing bore inside diameter is precisely 0.67 inches (17 mm), ensuring proper alignment and smooth rotation. With one mounting hole, the tensioner is straightforward to install and maintain. The part number 39428 corresponds to this exact OE replacement, making it suitable for maintaining factory specifications.

DriveAlign Premium OE Automatic Belt Tensioner Product Line

The DriveAlign Premium OE Automatic Belt Tensioner line by Gates focuses on delivering original equipment quality and fitment. This product line is engineered to meet or exceed OEM standards, providing consistent belt tension and reducing the risk of premature belt wear or failure. The 39428 tensioner assembly is part of this line, ensuring compatibility and performance for vehicles requiring precise tension control in their accessory drive belt systems.

Compatible Vehicles and Common Applications

This belt tensioner assembly is compatible with the following makes and models:

• Dodge 124 Spider and Dart
• Fiat 500 and 500L
• Jeep Renegade

It is designed specifically for vehicles equipped with V-ribbed accessory drive belts, ensuring proper tension and alignment.

Common Issues Addressed by This Belt Tensioner

• Excessive belt slack causing slipping or noise
• Premature belt wear due to improper tension
• Accessory component misalignment
• Vibration or squealing noises from the belt system
• Failure of original tensioner leading to belt system malfunction

Installation Notes and Tips

When installing the Gates DriveAlign Premium OE Automatic Belt Tensioner 39428, ensure the mounting surface is clean and free of debris. Verify the bearing bore and mounting hole align correctly with the vehicle’s bracket. Use the included bolt to secure the tensioner firmly, and confirm the belt type is V-ribbed for compatibility. Proper installation will maintain correct belt tension and prevent premature wear.

Quality Assurance and Warranty

This Gates tensioner assembly meets OE exact comparison ratings, ensuring reliable fit and function. Manufactured with high-quality steel and thermoplastic materials, it is designed for durability and consistent performance. Warranty details are provided by Gates and typically cover defects in materials and workmanship under normal use.