Gates 39279 Accessory Drive Belt Tensioner Assembly

OE Belt Tensioner for Mazda 2

The Gates DriveAlign Premium OE Automatic Belt Tensioner, part number 39279, is built for accessory drive belt systems that need consistent belt control and OE-style fit. It is a direct application for 2011-2015 Mazda 2 models and uses a steel housing with a V-ribbed grooved contact surface for the accessory drive belt system.

Gates applies OE system design standards to this DriveAlign Premium OE Automatic Belt Tensioner line, focusing on fit, form, and function that match original equipment requirements. For buyers searching for a 2011-2015 Mazda 2 accessory drive belt tensioner assembly, 39279 is a direct replacement option with OE Exact comparison rating.

Key Features

• Fits 2011-2015 Mazda 2, N/A
• Gates DriveAlign Premium OE Automatic Belt Tensioner
• Part number 39279
• Steel construction for the tensioner assembly
• 6-groove V-ribbed pulley design
• Flanged pulley for belt tracking support
• 2 mounting holes
• OE Exact comparison rating
• Outside diameter: 2.76 in. (70 mm)
• Width: 1.02 in. (26 mm)

Detailed Description

This accessory drive belt tensioner assembly is engineered for the Mazda 2 accessory drive belt system and is specified for 2011, 2012, 2013, 2014, and 2015 model years. The pulley uses a V-ribbed grooved contact surface with 6 grooves, a flanged design, and a 70 mm outside diameter to maintain proper belt engagement in the drive system. The steel body and OE Exact rating support a direct-fit replacement approach for drivers and technicians looking for Gates 39279.

This part cross-references Continental 49802 for the same application.

What It Helps Address

• Belt slack caused by a worn automatic tensioner
• Noise from a failing accessory drive belt tensioner pulley
• Uneven belt tracking on the Mazda 2 drive system
• Loss of proper belt tension under engine load
• Accessory drive belt vibration or flutter

Installation Notes and Tips

Verify belt routing, pulley alignment, and mounting points before installation. Confirm the replacement matches the 2011-2015 Mazda 2 application and compare the existing tensioner dimensions, groove count, and mounting-hole layout to the new unit. Inspect the accessory drive belt and related pulleys for wear before returning the vehicle to service.

Quality Assurance

Gates manufactures DriveAlign Premium OE Automatic Belt Tensioners to rigid tolerances and specifications so the part matches OE fit, form, and function requirements for the application.