Gates 38328 Accessory Drive Belt Tensioner Assembly - Accessory Drive or Serpentine

OE Automatic Belt Tensioner for GM V-Ribbed Drives

The Gates DriveAlign Premium OE Automatic Belt Tensioner, part number 38328, is built for accessory drive systems that use a 6-groove V-ribbed belt. It is an OE Exact replacement with the fit, form, and function expected for service on applications such as Chevrolet Corvette, Camaro, Caprice, SS, Cadillac CTS, and Pontiac G8.

Gates applies its OE system design experience to this DriveAlign Premium OE Automatic Belt Tensioner line, focusing on rigid manufacturing tolerances and consistent pulley alignment for dependable belt control in the accessory drive system.

• OE Exact comparison rating for direct replacement fitment
• Thermoplastic tensioner body construction
• 6-groove V-ribbed pulley contact surface
• Single flanged pulley design
• 70 mm outside diameter and 30 mm width
• 3 mounting holes for secure installation
• 17 mm bearing bore inside diameter
• Accessory drive belt tensioner assembly

Detailed Product Overview

This Gates 38328 automatic belt tensioner is designed for vehicles that rely on stable serpentine belt tension to drive accessories such as the alternator, power steering pump, and A/C compressor. The pulley uses a V-ribbed grooved contact surface with six grooves to match the belt profile used on the listed GM applications. For buyers searching for a Chevrolet Corvette accessory drive belt tensioner, a Cadillac CTS serpentine belt tensioner, or a Pontiac G8 belt tensioner replacement, this part number 38328 provides an OE-style service solution.

This part cross-references Continental 49347 and Dayco 89616 for the same application.

Vehicle Fitment

• Fits 2014-2017 Chevrolet Caprice, N/A
• Fits 2014-2017 Chevrolet SS, N/A
• Fits 2014-2015 Chevrolet Camaro, N/A
• Fits 2011-2013 Chevrolet Caprice, Accessory Drive
• Fits 2009-2013 Chevrolet Corvette, Serpentine
• Fits 2005-2013 Chevrolet Corvette, Accessory Drive
• Fits 2008-2009 Pontiac G8, Accessory Drive
• Fits 2006-2007 Cadillac CTS, Accessory Drive
• Fits 2004-2005 Cadillac CTS, Serpentine

What It Helps Address

• Belt slack that can lead to squeal or chirping
• Uneven belt tracking across the accessory drive pulley
• Loss of proper belt tension from a worn tensioner assembly
• Accessory drive noise caused by pulley or bearing wear
• Service issues on GM V-ribbed serpentine belt systems

Installation Notes and Tips

Verify the belt type, groove count, mounting hole layout, and pulley dimensions before installation. Confirm the vehicle’s accessory drive or serpentine configuration matches the listed fitment for your Chevrolet Corvette, Camaro, Caprice, SS, Cadillac CTS, or Pontiac G8. Inspect the belt and adjacent pulleys during service so the new tensioner can operate against a clean, properly aligned drive path.

Quality Assurance

Gates manufactures this DriveAlign Premium OE Automatic Belt Tensioner to rigid tolerances and specifications so it matches OE fit, form, and function for the listed applications.