Gates 38122 Accessory Drive Belt Tensioner Assembly - Serpentine or Smooth Pulley

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner (Part Number 38122) is engineered for reliable accessory drive belt tension in select Chrysler, Dodge, and Plymouth vehicles. Designed to maintain optimal tension on V-ribbed belts, this tensioner assembly supports smooth engine operation and accessory performance.

• Thermoplastic construction for durability and resistance to wear
• Single pulley design without flange for precise belt alignment
• Compatible with V-ribbed belt systems
• Outside diameter of 90 mm (3.54 in) and width of 30.5 mm (1.2 in)
• Bearing bore inside diameter of 17 mm (.67 in) for secure fitment
• OE exact replacement ensuring proper fit and function

Detailed Product Description

This accessory drive belt tensioner assembly from Gates features a thermoplastic body that balances strength and lightweight design. The smooth backside contact surface reduces belt wear and noise during operation. With a single pulley that is not flanged, the tensioner is optimized for V-ribbed belt systems commonly found in Chrysler, Dodge, and Plymouth models such as the Caravan, Grand Caravan, Voyager, and LeBaron. The precise dimensions, including a 90 mm outside diameter and 17 mm bearing bore, ensure compatibility and reliable performance.

The DriveAlign Premium OE Automatic Belt Tensioner line is designed to meet original equipment specifications, providing a direct replacement that maintains factory performance standards. This product line focuses on delivering consistent belt tension automatically, reducing the need for manual adjustments and helping to extend the life of the accessory drive components.

Compatible Vehicles and Applications

• Chrysler Acclaim, LeBaron, Spirit, Sundance
• Dodge Caravan, Grand Caravan, Daytona, Shadow
• Plymouth Grand Voyager, Voyager

Common Issues Addressed by This Belt Tensioner

• Excessive belt slack causing slipping or noise
• Premature belt wear due to improper tension
• Accessory drive component misalignment
• Loss of tension from worn or damaged tensioner springs
• Vibration or rattling noises from the belt system

Installation Notes and Tips

• Ensure the correct belt type (V-ribbed) is used with this tensioner
• Verify pulley alignment and bearing bore dimensions before installation
• Follow vehicle-specific service manual instructions for tensioner replacement
• Inspect related belt system components for wear during installation
• Use proper tools to avoid damage to the thermoplastic housing or pulley

Quality Assurance and Warranty

The Gates DriveAlign Premium OE Automatic Belt Tensioner (Part Number 38122) is manufactured to meet original equipment standards, ensuring reliable performance and fitment. Gates provides quality assurance through rigorous testing and material selection. Warranty coverage details should be confirmed with the product documentation or supplier.