Gates 39391 Accessory Drive Belt Tensioner Assembly

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner 39391 is engineered for reliable accessory drive belt tension in Nissan and Suzuki vehicles. Designed specifically for models like the Nissan Frontier and Suzuki Equator, this tensioner assembly ensures proper belt alignment and consistent performance.

• Constructed from durable steel for long-lasting strength
• Compatible with V-ribbed belt systems
• Single pulley design with a smooth backside contact surface
• Mounting hole quantity: 5 for secure installation
• Outside diameter of pulley: 2.99 inches (76 mm)
• Width of pulley: 1.22 inches (31 mm)
• Bearing bore inside diameter: 0.67 inches (17 mm)
• OE exact comparison rating for direct replacement

Detailed Product Description

This accessory drive belt tensioner assembly from Gates is crafted with precision steel components to maintain optimal tension on V-ribbed belts. The single pulley features a smooth backside contact surface and measures 2.99 inches in outside diameter with a width of 1.22 inches, ensuring compatibility with the specified belt type. The tensioner includes five mounting holes for a secure fitment, and the bearing bore inside diameter is 0.67 inches, matching OEM specifications. The part number 39391 corresponds to an OE exact replacement, making it suitable for Nissan Frontier and Suzuki Equator models requiring reliable belt tension management.

About the DriveAlign Premium OE Automatic Belt Tensioner Line

The DriveAlign Premium OE Automatic Belt Tensioner product line by Gates focuses on delivering precise belt tension control with components that meet original equipment standards. This line is designed to provide consistent performance and durability, reducing the risk of belt slippage or premature wear. The 39391 tensioner assembly is part of this line, offering a direct fit and function for specific Nissan and Suzuki vehicles.

Common Applications and Issues Addressed

• Maintains proper tension on accessory drive belts to prevent slipping
• 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
• Replaces worn or damaged tensioners to restore system reliability

Installation Notes and Tips

• Verify compatibility with Nissan Frontier or Suzuki Equator before installation
• Ensure the belt type is V-ribbed to match the tensioner specifications
• Use proper tools to remove the old tensioner and install the new assembly securely using all five mounting holes
• Check belt alignment and tension after installation to confirm proper operation

Quality Assurance and Warranty

The Gates DriveAlign Premium OE Automatic Belt Tensioner 39391 is manufactured to meet OE standards, ensuring reliable fit and function. The steel construction and precision engineering contribute to its durability. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed warranties to protect against defects in materials and workmanship.