Gates 39117 Accessory Drive Belt Tensioner Assembly - Alternator or Alternator and Air Conditioning

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner 39117

The Gates DriveAlign Premium OE Automatic Belt Tensioner 39117 is engineered for precise belt tension control in Volvo vehicles. Designed specifically for Volvo C30, C70, and S40 models, this tensioner assembly ensures optimal performance of the accessory drive belt system.

• Thermoplastic construction for durability and heat resistance
• Single pulley design with a smooth backside contact surface
• Compatible with V-ribbed belt types
• Outside diameter of 70 mm (2.76 in) and width of 20.5 mm (0.8 in)
• One mounting hole for secure installation
• OE exact comparison rating for reliable fit and function

Detailed Product Features and Specifications

This accessory drive belt tensioner assembly features a thermoplastic material that offers strength and resistance to wear under engine heat conditions. The pulley is not flanged and has a smooth backside contact surface, designed to work seamlessly with V-ribbed belts commonly used in Volvo C30, C70, and S40 models. The bearing bore inside diameter measures 17 mm (0.67 in), supporting smooth rotation and consistent tension. With an outside diameter of 70 mm (2.76 in) and a width of 20.5 mm (0.8 in), this tensioner fits precisely within the accessory drive belt system, maintaining proper belt alignment and tension.

About the DriveAlign Premium OE Automatic Belt Tensioner Line

The DriveAlign Premium OE Automatic Belt Tensioner product line by Gates focuses on delivering original equipment (OE) exact replacements for automatic belt tensioners. This line is designed to meet or exceed OEM specifications, ensuring compatibility and reliable performance. The 39117 part number is part of this line, providing a direct fit solution for Volvo accessory drive belt systems without compromising on quality or durability.

Common Applications and Problem Solving

• Maintains proper tension on V-ribbed belts to prevent slippage
• Reduces belt noise caused by improper tension
• Prevents premature belt wear and extends belt life
• Ensures smooth operation of engine accessories like alternators and power steering pumps
• Addresses issues related to belt misalignment and tensioner failure in Volvo C30, C70, and S40

Installation Notes and Tips

When installing the Gates DriveAlign Premium OE Automatic Belt Tensioner 39117, ensure the mounting surface is clean and free of debris. Verify the tensioner aligns correctly with the V-ribbed belt path. Use appropriate tools to avoid damaging the thermoplastic pulley or bearing bore. Confirm belt tension after installation to prevent premature wear or noise.

Quality Assurance and Warranty

This Gates tensioner assembly is manufactured to meet OE standards, providing a reliable replacement for Volvo accessory drive belt systems. The part number 39117 carries an OE exact comparison rating, ensuring fit and function equivalent to the original component. While specific warranty details are not provided, Gates products typically adhere to industry quality controls and standards.