Gates 38137 Accessory Drive Belt Tensioner Assembly

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner (Part Number 38137) is engineered to maintain optimal tension on the accessory drive belt system. Designed for select Ford, Land Rover, Mazda, and Mercury vehicles, this tensioner assembly ensures consistent belt performance and longevity.

• Thermoplastic construction for durability and heat resistance
• Single flanged pulley with a 2.76 inch (70 mm) outside diameter
• V-ribbed grooved contact surface with 6 grooves for secure belt engagement
• Bearing bore inside diameter of 0.67 inch (17 mm) for precise fitment
• Width of 0.98 inch (25 mm) to accommodate V-ribbed belts
• Includes one mounting hole for straightforward installation
• OE exact comparison rating for reliable replacement

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 designed to meet or exceed OEM specifications, providing a direct replacement for factory-installed tensioners. The 38137 tensioner assembly exemplifies this approach by combining durable thermoplastic materials with precise engineering to maintain proper belt tension in accessory drive systems.

Detailed Product Description and Specifications

This accessory drive belt tensioner assembly features a thermoplastic pulley that is flanged to help guide the V-ribbed belt accurately. The pulley measures 2.76 inches (70 mm) in outside diameter and has a width of 0.98 inches (25 mm), matching the dimensions required for compatible vehicles. The tensioner includes a bearing bore inside diameter of 0.67 inches (17 mm), ensuring a secure and precise fit on the mounting shaft. The contact surface is designed with six V-ribbed grooves to maintain proper belt alignment and tension, reducing slippage and wear.

Compatible Vehicles and Applications

• Ford B4000, Explorer, Explorer Sport, Explorer Sport Trac, Ranger
• Land Rover LR3
• Mazda Mountaineer
• Mercury Mountaineer

This tensioner assembly is specifically engineered for these models, providing a reliable replacement part that supports the accessory drive belt system's performance.

Common Issues Addressed by This Belt Tensioner

• Eliminates belt slippage caused by improper tension
• Prevents premature belt wear and damage
• Reduces noise from loose or misaligned belts
• Maintains consistent accessory drive system operation
• Supports engine accessory components such as alternator and power steering pump

Installation Notes and Tips

When installing the Gates DriveAlign Premium OE Automatic Belt Tensioner 38137, ensure the mounting surface is clean and free of debris. Verify the bearing bore diameter matches the vehicle’s mounting shaft for proper fit. Use appropriate tools to apply correct tension and avoid over-tightening. Confirm the V-ribbed belt aligns properly within the six grooves of the pulley to prevent premature wear.

Quality Assurance and Warranty

This Gates tensioner assembly meets original equipment standards with an OE exact comparison rating. Manufactured with thermoplastic materials and precision bearings, it is designed for durability and consistent performance. Warranty details should be confirmed with the product documentation or supplier, as they may vary.