Gates 38353 Accessory Drive Belt Tensioner Assembly

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner (part number 38353) is engineered to maintain optimal tension on V-ribbed accessory drive belts. Designed for select Buick, Chevrolet, Oldsmobile, and Pontiac models, this tensioner assembly ensures consistent belt performance and longevity.

• Constructed from durable steel for strength and reliability
• Single pulley design with a smooth backside contact surface
• Compatible with V-ribbed belt systems
• Mounting hole quantity: 1 for straightforward installation
• Precision bearing bore inside diameter of 17 mm (.67 in)
• Pulley outside diameter measures 90 mm (3.54 in) with a width of 30.5 mm (1.2 in)

Detailed Product Description

This accessory drive belt tensioner assembly is built with a steel construction to withstand the demands of continuous engine operation. The single pulley, which is not flanged, features a smooth backside contact surface designed specifically for V-ribbed belts, ensuring proper grip and reduced wear. The bearing bore inside diameter of 17 mm (.67 in) supports smooth rotation and durability. With an outside diameter of 90 mm (3.54 in) and a width of 30.5 mm (1.2 in), the tensioner fits precisely within the accessory drive belt system of compatible vehicles.

The Gates DriveAlign Premium OE Automatic Belt Tensioner line focuses on delivering original equipment (OE) performance standards, providing a reliable replacement that meets factory specifications. This product line is engineered to maintain proper belt tension automatically, reducing the risk of belt slippage and premature wear, which helps maintain engine accessory function and efficiency.

Compatible Vehicles and Applications

This belt tensioner assembly is compatible with various Buick, Chevrolet, Oldsmobile, and Pontiac models, including but not limited to:

• Buick Century, Skylark
• Chevrolet Impala, Lumina, Monte Carlo
• Oldsmobile Achieva, Silhouette
• Pontiac Grand Am, Grand Prix, Trans Sport

Use part number 38353 to ensure proper fitment for these specific vehicles.

Common Issues Addressed by This Belt Tensioner

• Eliminates belt slippage caused by improper tension
• Prevents premature belt wear and cracking
• Reduces noise from loose or worn belts
• Maintains consistent accessory drive performance
• Helps avoid engine overheating due to accessory failure

Installation Notes and Tips

• Verify vehicle compatibility using the part number 38353 before installation
• Ensure the belt type is V-ribbed for proper tensioner function
• Inspect the accessory drive belt for wear and replace if necessary during installation
• Use proper torque specifications for mounting the tensioner to avoid damage
• Check pulley alignment to prevent belt mis-tracking

Quality Assurance and Warranty

The Gates DriveAlign Premium OE Automatic Belt Tensioner is manufactured to meet OE performance standards, ensuring reliable operation and durability. This part is backed by Gates' quality assurance processes, providing confidence in its fit and function. Please refer to Gates' official warranty policy for specific coverage details.