Gates 38351 Accessory Drive Belt Tensioner Assembly - Supercharger

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38351 is engineered to maintain optimal tension on the accessory drive belt system. Designed for select Buick, Oldsmobile, and Pontiac models, this tensioner assembly ensures consistent belt performance and longevity.

• Constructed from durable steel and thermoplastic materials
• Includes two pulleys: one flanged and one non-flanged
• Compatible with V-ribbed belt types
• Features smooth backside and v-ribbed grooved contact surfaces
• Three mounting holes for secure installation
• OE exact comparison rating for reliable fit and function

Detailed Product Features and Specifications

This accessory drive belt tensioner assembly features two pulleys with an outside diameter of 2.99 inches (76 mm) each. Pulley 1 is non-flanged, while Pulley 2 is flanged, supporting proper belt alignment. The bearing bore inside diameter measures 0.67 inches (17 mm) for both pulleys, ensuring smooth rotation. Width dimensions are 1.22 inches (31 mm) for Pulley 1 and 1.02 inches (26 mm) for Pulley 2. The tensioner is designed to work with V-ribbed belts, featuring 0 and 6 groove quantities respectively on the pulleys. The contact surfaces include a smooth backside and a v-ribbed grooved side to accommodate belt engagement and reduce slippage.

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 accessory drive belt tensioners. This line emphasizes precise fitment and reliable performance, matching factory specifications to maintain proper belt tension and alignment. The 38351 part number is part of this line, ensuring compatibility and durability for specific vehicle applications.

Compatible Vehicles and Common Applications

This belt tensioner assembly is compatible with various Buick, Oldsmobile, and Pontiac models, including the Buick 88, Oldsmobile LSS, Pontiac Bonneville, Park Avenue, and Riviera. It is designed to address issues related to accessory drive belt tension and alignment in these vehicles.

• Eliminates belt slippage and squealing noises
• Prevents premature belt wear and cracking
• Maintains proper tension for accessory components like alternators and power steering pumps
• Reduces risk of belt misalignment and damage

Installation Notes and Tips

When installing the Gates DriveAlign Premium OE Automatic Belt Tensioner 38351, ensure the mounting surface is clean and free of debris. Use the three mounting holes to secure the tensioner firmly in place. Verify that the V-ribbed belt is properly seated on the pulleys, paying attention to the flanged and non-flanged pulley orientation. It is recommended to inspect the belt condition and replace it if worn during installation for optimal system performance.

Quality Assurance and Warranty Information

Gates provides this tensioner assembly with an OE exact comparison rating, ensuring it meets original equipment standards for fit and function. Manufactured with high-quality steel and thermoplastic materials, the part is designed for durability and reliable operation. Please refer to Gates' official warranty policy for specific coverage details related to the DriveAlign Premium OE Automatic Belt Tensioner 38351.