Gates 38659 Accessory Drive Belt Tensioner Assembly - Alternator and Water Pump or Fan and Alternator

Reliable Automatic Belt Tensioner for V-Ribbed Belt Systems

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38659 is engineered to maintain optimal tension in accessory drive belt systems. Designed with durable steel construction and precise dimensions, this tensioner assembly supports consistent belt performance and longevity.

• Constructed from robust steel for durability
• Compatible with V-ribbed belt types
• Single pulley design without flange
• Mounting with two holes for secure fitment
• Precise pulley outside diameter of 80 mm (3.15 in)
• Width of 35.5 mm (1.4 in) for accurate belt alignment
• Bearing bore inside diameter of 17 mm (.67 in) for smooth operation

About the DriveAlign Premium OE Automatic Belt Tensioner Line

The DriveAlign Premium OE Automatic Belt Tensioner line by Gates focuses on delivering original equipment equivalent performance and fitment. This product line is designed to meet exact OE specifications, ensuring reliable tension control and compatibility with specific vehicle accessory drive systems. The 38659 tensioner assembly is part of this line, providing a direct replacement solution for vehicles requiring precise belt tension management.

Product Details and Specifications

This accessory drive belt tensioner assembly features a smooth backside contact surface and a single pulley without flanges, optimized for V-ribbed belt applications. The pulley measures 80 mm in outside diameter and 35.5 mm in width, with a bearing bore inside diameter of 17 mm (.67 in), supporting consistent belt tracking and reduced wear. The tensioner mounts securely with two holes, ensuring stable installation and reliable operation under various driving conditions.

Common Applications and Issues Addressed

• Maintains proper tension in V-ribbed accessory drive belts
• Prevents belt slippage and noise
• Reduces premature belt wear and extends belt life
• Eliminates belt misalignment issues
• Supports smooth operation of engine accessories such as alternators and power steering pumps

Installation Notes and Tips

When installing the Gates DriveAlign Premium OE Automatic Belt Tensioner 38659, ensure the mounting holes align precisely with the vehicle’s bracket. Verify the belt type is V-ribbed and matches the tensioner specifications. Proper torque settings should be followed according to the vehicle manufacturer’s guidelines to avoid over-tightening or loosening during operation.

Quality Assurance and Warranty

Gates manufactures the DriveAlign Premium OE Automatic Belt Tensioner 38659 to meet stringent quality standards, providing OE exact fit and function. This part is backed by Gates’ quality assurance processes, ensuring durability and reliable performance. Please refer to Gates’ official warranty policy for specific coverage details.