Gates 38757 Accessory Drive Belt Tensioner Assembly - Fan and Alternator

Reliable Automatic Belt Tensioner for Accessory Drive Systems

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38757 is engineered to maintain optimal tension on V-ribbed accessory drive belts. Designed with precision steel construction and exact OE specifications, this tensioner assembly supports consistent belt performance and longevity in various vehicle applications.

• Constructed from durable steel for strength and longevity
• Compatible with V-ribbed belt systems requiring a smooth backside contact surface
• Features a single pulley with a 70 mm (2.76 in) outside diameter and 33.5 mm (1.32 in) width
• Includes two mounting holes for secure installation
• Bearing bore inside diameter measures 17 mm (0.67 in) for precise fitment

About the DriveAlign Premium OE Automatic Belt Tensioner Line

The DriveAlign Premium OE Automatic Belt Tensioner line by Gates is designed to meet original equipment standards, ensuring exact fit and function. This product line focuses on delivering reliable tension control for accessory drive belt systems, reducing belt slip and wear. The 38757 tensioner assembly is part of this line, providing a direct OE replacement with consistent performance for vehicles requiring a V-ribbed belt tensioner.

Product Details and Specifications

This accessory drive belt tensioner assembly is made from steel, offering durability under engine bay conditions. It features a single pulley without flanges, designed for smooth backside contact with the belt. The pulley measures 70 mm in outside diameter and 33.5 mm in width, accommodating V-ribbed belts commonly found in many automotive applications. The tensioner includes two mounting holes for secure attachment and a bearing bore inside diameter of 17 mm (0.67 in), ensuring proper alignment and rotation.

Common Applications and Issues Addressed

• 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 alternator, power steering, and A/C compressor belts
• Replaces worn or damaged OE belt tensioners to restore system reliability

Installation Notes and Tips

When installing the Gates DriveAlign Premium OE Automatic Belt Tensioner 38757, ensure the mounting surface is clean and free of debris. Verify the bearing bore and mounting hole alignment for a secure fit. Use appropriate tools to apply correct tension and avoid over-tightening. This tensioner is compatible with vehicles requiring a V-ribbed belt system and should be matched to the specific make and model for proper fitment.

Quality Assurance and Warranty

Gates manufactures the DriveAlign Premium OE Automatic Belt Tensioner 38757 to meet stringent quality standards, providing reliable performance consistent with original equipment. This part is rated as an exact OE comparison, ensuring compatibility and durability. Please refer to Gates' warranty policy for specific coverage details.