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Drivetrain

How to Replace Upstream O2 Sensor 2006-2010 Hummer H3 37L L5

Created on: 2025-08-29

This video shows you how to install new TRQ oxygen sensors on your 2006-2010 Hummer H3 3.7L L5.

Tools needed

  • Torque Wrench

    Jack Stands

    19mm Wrench

    Trim Tool Set

    Safety Glasses

    Pick

    Gloves

    Blowtorch

    O2 Sensor Socket

    22mm Wrench

    10mm Socket

    Ratchet

    Floor Jack

    Needle nose pliers

    1/2 Inch Impact Gun

2006 - 2009  GMC  Envoy
2006 - 2006  GMC  Envoy XL
2006 - 2006  Hummer  H3
2006 - 2008  Isuzu  Ascender
2006 - 2006  Isuzu  i-280
2006 - 2006  Isuzu  i-350
2006 - 2009  Saab  9-7X
2007 - 2012  Chevrolet  Colorado
2007 - 2012  GMC  Canyon
2006 - 2007  Buick  Rainier
2006 - 2009  Cadillac  STS
2006 - 2006  Chevrolet  Colorado
2006 - 2009  Chevrolet  Trailblazer
2006 - 2006  Chevrolet  Trailblazer EXT
2006 - 2006  GMC  Canyon
2013 - 2014  Chevrolet  Malibu
2013 - 2013  GMC  Savana 3500 Van
2014 - 2015  Chevrolet  Express 3500 Van
2014 - 2014  Chevrolet  Impala
2014 - 2015  GMC  Savana 3500 Van
2007 - 2010  Hummer  H3
2007 - 2008  Isuzu  i-290
2007 - 2008  Isuzu  i-370
2009 - 2010  Hummer  H3T
2011 - 2016  Buick  LaCrosse
2011 - 2017  Buick  Regal
2011 - 2011  Saab  9-5
2013 - 2013  Chevrolet  Express 3500 Van

Shop Products


O2 Oxygen Sensor

O2 Oxygen Sensor TRQ OSA61766

Part Details:

  • Female
  • M18x1.5-6e
  • 22 mm
  • Specific
  • 20.87 in
  • 4
  • 18 mm
  • Threaded
  • 4
  • Trapezoid
  • 530 mm
  • Female
  • 15.59 in
  • Thimble
  • Standard Replacement
  • 396 mm
  • 0.87 in
  • 0.71 in
  • Narrow-Band
  • Yes
$44.95
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How To Replace Rear Downstream Oxygen O2 Sensor 2003-07 Cadillac CTS

Need to replace the downstream O2 sensor on your 03-07 Cadillac CTS? We'll show you how in this video!

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