Gates 38120 Accessory Drive Belt Tensioner Assembly

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38120 is engineered to maintain optimal tension on the accessory drive belt system. Designed specifically for select Buick, Oldsmobile, and Pontiac models, this tensioner assembly ensures consistent belt performance and longevity.

• Constructed from durable steel for strength and reliability
• Compatible with V-ribbed belt types
• Single pulley design without flange for smooth operation
• Mounting hole quantity: 6 for secure installation
• Outside diameter of pulley: 3.23 inches (82 mm)
• Width: 1.2 inches (30.5 mm)
• Bearing bore inside diameter: 0.67 inches (17 mm)
• Contact surface is smooth on the backside to reduce wear
• OE exact replacement meeting original equipment specifications

Detailed Product Description

This accessory drive belt tensioner assembly, part number 38120, is designed to provide precise tension control for V-ribbed belts in the accessory drive system. The steel construction offers durability under continuous engine operation, while the single pulley without flange reduces potential belt misalignment. The six mounting holes ensure a secure fitment, compatible with specific Buick, Oldsmobile, and Pontiac vehicles including the 1998 Bonneville, Delta 88, LeSabre, Reatta, Regal, Riviera, and Toronado models.

The Gates DriveAlign Premium OE Automatic Belt Tensioner line focuses on delivering original equipment quality and fitment. This product line is engineered to meet or exceed OE standards, providing reliable tensioning performance and helping maintain proper belt alignment and tension throughout the life of the belt system.

Common Applications and Issues Addressed

• Maintains proper tension on V-ribbed accessory drive belts
• Prevents belt slippage and squealing noises
• Reduces premature belt wear and extends belt life
• Eliminates belt misalignment caused by worn tensioners
• Supports smooth operation of engine accessories such as alternators and power steering pumps

Installation Notes and Tips

• Ensure compatibility with Buick, Oldsmobile, and Pontiac models listed before installation
• Inspect the accessory drive belt for wear and replace if necessary during tensioner installation
• Use proper torque specifications for mounting bolts to avoid damage
• Verify pulley alignment and belt routing after installation
• Consult vehicle service manual for detailed installation procedures

Quality Assurance and Warranty

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38120 is manufactured to meet original equipment standards, ensuring reliable performance and fitment. This tensioner assembly undergoes rigorous quality control testing to verify durability and function. While specific warranty details may vary, Gates products typically include a limited warranty against defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.