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V-Belt Tensioner (Automatic Transmission) | Mazda3 Sedan & Hatchback (2004-2013)

Your Mazda3's Belt tensioner is a pulley that is used to keep tension on the engine belts, so that it allows for the various engine accessories attached to it to function properly. A malfunctioning belt tensioner can affect the performance and functionality of the vehicle. Symptoms of a failing belt tensioner includes: grinding/squeaking noise form the belts or tensioners, unusual belt wear and failing of the accessories that are connected to the belt.


  • Replace your Mazda3's Belt Tensioner for proper functioning of your belt and the belt-driven accessories
  • High quality OEM Mazda Belt Tensioner
  • The belt tensioner is a pulley that helps keep tension on the engine belts
  • Includes: One Belt Tensioner
  • Part #: LF50-15-980C

Special Notes

  • Applicable model years:
    • Mazda3 Sedan & Hatchback: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
    • Automatic Transmission Only