Gates 38256 Accessory Drive Belt Tensioner Assembly - Fan, Alternator or Power Steering and Air Conditioning

Reliable Automatic Belt Tensioner for V-Ribbed Belt Systems

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38256 is engineered to maintain optimal tension on V-ribbed accessory drive belts. Designed with durable steel construction and precise dimensions, this tensioner assembly supports consistent belt performance and longevity in various vehicle applications.

• Constructed from high-strength steel for durability
• Single pulley design with a smooth backside contact surface
• Compatible with V-ribbed belt types
• Outside diameter of 3.54 inches (90 mm) and width of 1.3 inches (33 mm)
• One mounting hole for secure installation
• Bearing bore inside diameter of 0.67 inches (17 mm)
• OE improved rating for enhanced performance

About the DriveAlign Premium OE Automatic Belt Tensioner Line

The DriveAlign Premium OE Automatic Belt Tensioner line by Gates focuses on delivering tensioner assemblies that meet or exceed original equipment specifications. This product line emphasizes precise fitment and reliable operation, ensuring proper belt tension and alignment for accessory drive systems. The 38256 tensioner assembly is part of this line, offering improved durability and consistent performance for vehicles requiring V-ribbed belt tensioning solutions.

Product Details and Specifications

This accessory drive belt tensioner assembly features a single pulley without flanges, designed to work with V-ribbed belts commonly found in many automotive applications. The pulley has an outside diameter of 3.54 inches (90 mm) and a width of 1.3 inches (33 mm), providing the correct surface area for smooth belt contact. The bearing bore inside diameter measures 0.67 inches (17 mm), ensuring compatibility with standard mounting shafts. The tensioner includes one mounting hole for secure attachment to the engine assembly. Its steel construction offers strength and resistance to wear, contributing to the overall reliability of the belt drive system.

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 misaligned belts
• Helps avoid accessory component failure due to improper belt tension
• Supports smooth operation of alternators, power steering pumps, and air conditioning compressors

Installation Notes and Tips

When installing the Gates DriveAlign Premium OE Automatic Belt Tensioner 38256, ensure the mounting surface is clean and free of debris. Verify the bearing bore diameter matches the vehicle’s mounting shaft for proper fitment. Use appropriate tools to apply the correct tension and avoid over-tightening, which can damage the belt or tensioner. Refer to the vehicle manufacturer’s service manual for torque specifications and installation procedures specific to your make and model.

Quality Assurance and Warranty

Gates provides an OE improved rating for this tensioner assembly, indicating it meets or exceeds original equipment standards for fit, form, and function. Manufactured with precision and tested for durability, the DriveAlign Premium OE Automatic Belt Tensioner 38256 is backed by Gates’ quality assurance protocols. Please consult product documentation or Gates directly for specific warranty details.