Gates 39375 Accessory Drive Belt Tensioner Assembly

OE Automatic Belt Tensioner for GM Applications

The Gates DriveAlign Premium OE Automatic Belt Tensioner, part number 39375, is built for accessory drive belt systems that require consistent belt tension and OE-style fit. It is a steel tensioner assembly with a smooth/backside pulley and V-ribbed belt contact surface for service on select Chevrolet, GMC, Buick, Cadillac, and Chevrolet Cruze NG applications.

Gates designs the DriveAlign Premium OE Automatic Belt Tensioner line to match original equipment system requirements, with manufacturing held to rigid tolerances for fit, form, and function. This makes 39375 a direct replacement choice for vehicles such as the Chevrolet Equinox, Malibu, and GMC Terrain when the original tensioner is worn or no longer maintaining proper belt load.

Key Features

• Part number 39375 automatic belt tensioner assembly
• Steel construction for accessory drive belt service
• Single pulley design with smooth/backside contact surface
• V-ribbed belt application
• OE Performance rating for original-equipment-style operation
• Mounting hole quantity: 1
• Pulley dimensions: 2.76 in. outside diameter, 0.98 in. width
• Bearing bore inside diameter: 0.67 in. / 17 mm

Product Details

The Gates DriveAlign Premium OE Automatic Belt Tensioner line is engineered for drivers and technicians who need a replacement that follows OE system specifications. Part number 39375 is manufactured to support proper belt tracking and tension control in accessory drive belt systems, helping maintain stable operation across the engine-driven accessories. This part cross-references Continental 49846 for the same application.

Compatible With 2018-2025 Chevrolet Equinox, N/A; 2016-2025 Chevrolet Malibu, N/A; 2018-2025 GMC Terrain, N/A; 2021-2022 Buick Encore, N/A; 2016-2019 Buick Encore, N/A; 2016-2022 Chevrolet Spark, N/A; 2021-2022 Chevrolet Trax, N/A; 2019-2020 Cadillac CT6, N/A; 2016-2019 Chevrolet Cruze, N/A; 2016 Chevrolet Cruze NG, N/A.

Common Problems This Part Can Address

• Loss of proper accessory belt tension
• Belt squeal or chirping from a worn tensioner assembly
• Uneven belt tracking on the V-ribbed drive belt
• Visible wear in the pulley or bearing area
• Accessory drive system noise caused by tensioner fatigue

Installation Notes and Tips

Verify the vehicle application by year, make, and model before installation. Inspect the belt, pulley surfaces, and adjacent accessory drive components during service, since a worn belt or damaged pulley can shorten the life of the new tensioner. Confirm the mounting point and belt routing match the original configuration for the vehicle.

Fits 2018-2025 Chevrolet Equinox, N/A; Fits 2016-2025 Chevrolet Malibu, N/A; Fits 2018-2025 GMC Terrain, N/A; Fits 2021-2022 Buick Encore, N/A; Fits 2016-2019 Buick Encore, N/A; Fits 2016-2022 Chevrolet Spark, N/A; Fits 2021-2022 Chevrolet Trax, N/A; Fits 2019-2020 Cadillac CT6, N/A; Fits 2016-2019 Chevrolet Cruze, N/A; Fits 2016 Chevrolet Cruze NG, N/A.

Quality Assurance

Gates is a global original equipment system designer, and the DriveAlign Premium OE Automatic Belt Tensioner line is produced to OE fit, form, and function standards. The 39375 tensioner is manufactured to rigid tolerances and specifications for consistent replacement performance in the listed applications.