Gates 38278 Accessory Drive Belt Tensioner Assembly - Serpentine

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner (Part Number 38278) is engineered to maintain optimal tension on the accessory drive belt system. Designed specifically for select Acura and Honda models, this tensioner assembly ensures consistent belt performance and longevity.

• Constructed from durable steel for strength and reliability
• Compatible with V-ribbed belt types
• Features a smooth backside contact surface for reduced wear
• Includes one pulley with a 3.01 inch (76.5 mm) outside diameter
• Mounting hole quantity: 5 for secure installation
• Bearing bore inside diameter: 0.67 inch (17 mm)
• Width measures 1.48 inch (37.5 mm)

Detailed Product Description and Specifications

This accessory drive belt tensioner assembly is designed to provide precise tension control for V-ribbed belts, which are commonly used in the accessory drive systems of Acura and Honda vehicles. The steel construction offers durability under high-stress conditions, while the smooth backside contact surface minimizes belt wear and noise. The single pulley included has an outside diameter of 3.01 inches (76.5 mm) and a width of 1.48 inches (37.5 mm), optimized for proper belt alignment and tension. The tensioner features five mounting holes to ensure a secure fit and easy installation. The bearing bore inside diameter is 0.67 inches (17 mm), matching OEM specifications for reliable rotation and performance.

About the DriveAlign Premium OE Automatic Belt Tensioner Line

The DriveAlign Premium OE Automatic Belt Tensioner line by Gates is designed to meet original equipment (OE) standards, providing exact fit and function for replacement applications. This product line focuses on delivering consistent belt tension to prevent slippage and premature belt wear, supporting the proper operation of accessory components such as alternators, power steering pumps, and air conditioning compressors. Part number 38278 is an OE exact replacement, ensuring compatibility and performance for Acura and Honda vehicles.

Compatible Vehicles and Common Applications

This belt tensioner assembly is compatible with a range of Acura and Honda models, including:

• Acura TSX, RDX, ILX, CSX
• Honda Accord, Civic, CR-V, Element

It is designed specifically for vehicles equipped with V-ribbed accessory drive belts requiring precise tension control.

Common Issues Addressed by This Belt Tensioner

• Eliminates belt slippage and squealing noises
• Prevents premature belt wear and damage
• Maintains proper tension for accessory components
• Reduces risk of belt misalignment
• Improves overall accessory drive system reliability

Installation Notes and Tips

• Ensure the mounting surface is clean and free of debris before installation
• Verify the correct belt type (V-ribbed) is used with this tensioner
• Use proper torque specifications for the five mounting bolts to secure the tensioner
• Inspect the belt for wear or damage during installation and replace if necessary
• Rotate the tensioner pulley to check for smooth operation before final assembly

Quality Assurance and Warranty

The Gates DriveAlign Premium OE Automatic Belt Tensioner (Part Number 38278) is manufactured to meet OE standards for fit, form, and function. Gates provides a limited warranty covering defects in material and workmanship, ensuring reliable performance when installed according to manufacturer guidelines.