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

Installation Instructions Steps
Associated Vehicles Fits

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 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

$42.95

How to Replace Downstream O2 Oxygen Sensor 2000-02 Chevy Suburban

This video will show where each oxygen sensor is located and also how to replace the Bank 2 sensor 2 oxygen sensor if it turned on the check engine light

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