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Drivetrain

How to Replace Downstream O2 Sensor 2015-2019 Subaru Outback 25L H4

Created on: 2025-09-02

This video shows you how to install a new downstream o2 sensor from TRQ on your 2015-2019 Subaru Outback (2.5L H4).

Tools needed

  • Gloves

    Paper Towels

    Ramps

    O2 Sensor Socket

    Ratchet

    Trim Tool Set

    Safety Glasses

    Pick

2006 - 2007  Subaru  B9 Tribeca
2006 - 2009  Subaru  Outback
2008 - 2009  Subaru  Legacy
2008 - 2014  Subaru  Tribeca
2010 - 2019  Subaru  Legacy
2010 - 2019  Subaru  Outback
2014 - 2014  Subaru  XV Crosstrek
2015 - 2015  Subaru  XV Crosstrek
2013 - 2020  Subaru  Outback
2013 - 2013  Subaru  XV Crosstrek
2013 - 2020  Subaru  Forester
2013 - 2020  Subaru  Legacy
2020 - 2020  Toyota  Yaris
2016 - 2020  Subaru  Crosstrek
2009 - 2014  Subaru  Impreza
2010 - 2014  Subaru  Impreza
2009 - 2012  Subaru  Forester
2009 - 2010  Subaru  Impreza
2012 - 2020  Subaru  Impreza
2005 - 2005  Subaru  Outback
2008 - 2014  Subaru  Impreza
2013 - 2013  Subaru  Forester
2014 - 2020  Subaru  Forester
2013 - 2019  Subaru  Legacy
2013 - 2019  Subaru  Outback

O2 Oxygen Sensor

Toyota Subaru O2 Oxygen Sensor TRQ OSA61694

Part Details:

  • 16.93 in
  • Square
  • M18x1.5-6e
  • 22 mm
  • Specific
  • 4
  • 18 mm
  • Threaded
  • 4
  • Male
  • 306 mm
  • Male
  • Thimble
  • 430 mm
  • Standard Replacement
  • 12.05 in
  • Blade
  • 0.87 in
  • 0.71 in
  • Narrow-Band
  • Yes
$47.95
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How to Replace O2 Oxygen Sensor 1997-2003 Buick LeSabre

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