1A Auto Video Library
Our how-to videos have helped repair over 100 million vehicles.
Enter Vehicle Year Make Model

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain
installation video player icon

How to Replace Down Stream O2 Oxygen Sensor 2002-2009 Chevrolet Trailblazer

Created on: 2022-05-16

This video shows you how to install a down stream oxygen (O2) sensor on your 2002-2009 Chevrolet Trailblazer.

Tools needed

  • O2 Sensor Socket

    7/8 Inch Wrench

2008 - 2010  Saturn  Vue
2009 - 2011  Buick  Lucerne
2009 - 2010  Hummer  H3T
2009 - 2009  Saturn  Aura
2010 - 2010  Buick  LaCrosse
2010 - 2017  Chevrolet  Equinox
2010 - 2014  GMC  Savana 1500 Van
2010 - 2017  GMC  Terrain
2010 - 2010  Pontiac  G6
2012 - 2015  Chevrolet  Captiva Sport
2015 - 2015  Chevrolet  Express 2500 Van
2015 - 2015  GMC  Savana 2500 Van
2008 - 2014  GMC  Savana 2500 Van
2008 - 2015  GMC  Savana 3500 Van
2008 - 2009  Pontiac  G6
2008 - 2009  Pontiac  Solstice
2008 - 2008  Saturn  Aura
2008 - 2010  Saturn  Sky
2008 - 2015  Chevrolet  Express 3500 Van
2008 - 2008  Buick  Enclave
2008 - 2014  Chevrolet  Express 1500 Van
2008 - 2014  Chevrolet  Express 2500 Van
2008 - 2009  GMC  Savana 1500 Van
2008 - 2012  Chevrolet  Malibu
2007 - 2007  GMC  Savana 1500 Van
2007 - 2014  GMC  Savana 1500 Van
2007 - 2007  GMC  Sierra 1500 Classic
2007 - 2008  GMC  Acadia
2007 - 2012  GMC  Canyon
2007 - 2009  GMC  Envoy
2007 - 2008  Saturn  Outlook
2007 - 2010  Hummer  H3
2007 - 2008  Isuzu  Ascender
2007 - 2008  Isuzu  i-290
2007 - 2008  Isuzu  i-370
2007 - 2009  Saab  9-7X
2007 - 2007  Saturn  Aura
2006 - 2006  Chevrolet  Suburban 1500
2006 - 2006  Chevrolet  Tahoe
2006 - 2006  GMC  Sierra 1500
2006 - 2006  GMC  Yukon
2006 - 2006  GMC  Yukon XL 1500
2007 - 2007  Buick  Rainier
2007 - 2012  Chevrolet  Colorado
2007 - 2014  Chevrolet  Express 1500 Van
2007 - 2007  Chevrolet  Express 1500 Van
2007 - 2007  Chevrolet  Silverado 1500 Classic
2007 - 2009  Chevrolet  Trailblazer
2006 - 2006  Chevrolet  Avalanche 1500
2006 - 2006  Chevrolet  Silverado 1500
2007 - 2007  Chevrolet  Suburban 2500
2007 - 2013  GMC  Sierra 1500
2007 - 2007  Chevrolet  Suburban 1500
2007 - 2007  GMC  Yukon XL 2500
2007 - 2007  GMC  Yukon XL 1500
2007 - 2007  GMC  Yukon
2007 - 2007  Cadillac  Escalade ESV
2007 - 2007  Cadillac  Escalade EXT
2007 - 2007  Chevrolet  Avalanche
2006 - 2006  Saab  9-7X
2007 - 2007  Cadillac  Escalade
2006 - 2006  Isuzu  i-350
2006 - 2008  Pontiac  Grand Prix
2007 - 2013  Chevrolet  Silverado 1500
2006 - 2006  GMC  Canyon
2006 - 2006  GMC  Envoy
2006 - 2006  GMC  Envoy XL
2006 - 2007  Chevrolet  Tahoe
2006 - 2006  Chevrolet  Trailblazer
2006 - 2006  Chevrolet  Trailblazer EXT
2006 - 2007  GMC  Yukon
2006 - 2007  GMC  Yukon XL 1500
2006 - 2006  Isuzu  Ascender
2006 - 2006  Isuzu  i-280
2006 - 2006  Buick  Rainier
2006 - 2007  Cadillac  CTS
2006 - 2011  Cadillac  DTS
2006 - 2011  Buick  Lucerne
2006 - 2006  Chevrolet  Colorado
2006 - 2007  Chevrolet  Suburban 1500
2006 - 2009  Chevrolet  Impala
2006 - 2007  Chevrolet  Monte Carlo
2009 - 2012  Chevrolet  Colorado
2009 - 2012  GMC  Canyon
2008 - 2008  Pontiac  Grand Prix
2008 - 2009  Saab  9-7X
2008 - 2009  Hummer  H2
2008 - 2010  Hummer  H3
2013 - 2015  Chevrolet  Spark
2008 - 2008  Chevrolet  Trailblazer
2008 - 2009  Chevrolet  Trailblazer
2008 - 2009  GMC  Envoy
2007 - 2007  Hummer  H2
2008 - 2009  Buick  LaCrosse
2008 - 2009  Chevrolet  Impala
2006 - 2009  GMC  Envoy
2006 - 2006  Hummer  H3
2006 - 2008  Isuzu  Ascender
2006 - 2009  Saab  9-7X
2006 - 2007  Buick  Rainier
2006 - 2009  Cadillac  STS
2006 - 2009  Chevrolet  Trailblazer
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
2011 - 2016  Buick  LaCrosse
2011 - 2017  Buick  Regal
2011 - 2011  Saab  9-5
2013 - 2013  Chevrolet  Express 3500 Van
2006 - 2006  Chevrolet  SSR
2006 - 2007  Pontiac  Solstice
2006 - 2007  Pontiac  G6
2007 - 2007  Saturn  Sky
2004 - 2004  Chevrolet  Express 3500 Van
2004 - 2007  Chevrolet  Express 3500 Van
2004 - 2008  Chevrolet  Malibu
2004 - 2006  GMC  Savana 1500 Van
2004 - 2005  GMC  Canyon
2004 - 2005  GMC  Envoy XUV
2004 - 2005  GMC  Savana 2500 Van
2004 - 2004  GMC  Savana 2500 Van
2004 - 2007  GMC  Savana 2500 Van
2004 - 2004  GMC  Savana 3500 Van
2004 - 2007  GMC  Savana 3500 Van
2005 - 2007  Chevrolet  Express 2500 Van
2005 - 2007  Chevrolet  Express 3500 Van
2005 - 2007  GMC  Savana 3500 Van
2005 - 2007  GMC  Savana 2500 Van
2005 - 2005  Saab  9-7X
2003 - 2003  Chevrolet  Express 2500 Van
2003 - 2003  GMC  Savana 1500 Van
2003 - 2003  Chevrolet  Express 3500 Van
2003 - 2005  GMC  Safari
2003 - 2003  GMC  Savana 2500 Van
2003 - 2003  GMC  Savana 3500 Van
2004 - 2005  Chevrolet  Colorado
2004 - 2005  Buick  Rainier
2004 - 2006  Chevrolet  Express 1500 Van
2003 - 2005  Isuzu  Ascender
2004 - 2005  Chevrolet  Express 2500 Van
2004 - 2004  Chevrolet  Express 2500 Van
2004 - 2007  Chevrolet  Express 2500 Van
2002 - 2005  Chevrolet  Trailblazer EXT
2002 - 2005  Chevrolet  Trailblazer
2002 - 2005  GMC  Envoy XL
2002 - 2005  GMC  Envoy
2002 - 2004  Oldsmobile  Bravada
2003 - 2003  Chevrolet  Express 1500 Van
2003 - 2005  Chevrolet  Astro
2016 - 2016  GMC  Savana 3500 Van
2016 - 2016  GMC  Savana 4500
2016 - 2018  GMC  Savana 4500
2016 - 2016  Chevrolet  Express 3500 Van
2016 - 2017  Chevrolet  LCF 3500
2015 - 2015  GMC  Sierra 3500 HD
2015 - 2016  Chevrolet  Express 4500
2015 - 2015  Chevrolet  Silverado 3500 HD
2014 - 2017  Chevrolet  Caprice
2014 - 2017  Chevrolet  SS
2015 - 2015  GMC  Savana 4500
2013 - 2015  GMC  Savana 3500 Van
2014 - 2015  Chevrolet  Camaro
2013 - 2014  GMC  Savana 4500
2013 - 2015  Chevrolet  Express 3500 Van
2012 - 2014  GMC  Sierra 3500 HD
2008 - 2014  GMC  Savana 1500 Van
2008 - 2012  Chevrolet  Express 3500 Van
2008 - 2012  GMC  Savana 3500 Van
2007 - 2007  GMC  Sierra 3500 Classic
2007 - 2007  GMC  Sierra 2500 HD Classic
2007 - 2009  GMC  Sierra 3500 HD
2007 - 2007  Chevrolet  Silverado 2500 HD Classic
2007 - 2007  Chevrolet  Silverado 3500 Classic
2007 - 2007  Chevrolet  Silverado 1500 HD Classic
2007 - 2007  GMC  Sierra 1500 HD Classic
2007 - 2010  Chevrolet  Silverado 3500 HD
2005 - 2006  Chevrolet  Silverado 1500 HD
2005 - 2006  GMC  Sierra 1500 HD
2003 - 2006  Hummer  H2
2010 - 2010  GMC  Sierra 3500 HD
2012 - 2014  Buick  Verano
2011 - 2014  Chevrolet  Silverado 3500 HD
2011 - 2011  GMC  Sierra 3500 HD
2009 - 2013  Chevrolet  Corvette
2009 - 2014  Chevrolet  Express 4500
2009 - 2012  GMC  Savana 4500
2010 - 2013  Chevrolet  Camaro
2010 - 2013  Chevrolet  Corvette
2003 - 2006  Cadillac  Escalade ESV
2003 - 2006  Cadillac  Escalade EXT
2003 - 2006  Cadillac  Escalade
2003 - 2006  GMC  Sierra 3500
2003 - 2005  GMC  Yukon
2003 - 2006  GMC  Yukon XL 1500
2003 - 2006  GMC  Yukon XL 2500
2003 - 2006  Chevrolet  Suburban 2500
2003 - 2006  GMC  Sierra 1500
2003 - 2003  GMC  Sierra 1500 HD
2003 - 2004  GMC  Sierra 2500
2003 - 2006  GMC  Sierra 2500 HD
2003 - 2004  Chevrolet  Silverado 2500
2003 - 2006  Chevrolet  Silverado 1500
2003 - 2003  Chevrolet  Silverado 1500 HD
2003 - 2006  Chevrolet  Avalanche 2500
2003 - 2006  Chevrolet  Silverado 3500
2003 - 2006  Chevrolet  Silverado 2500 HD

06-17 Buick; Chevy; GMC; Hummer Oxygen Sensor

O2 Oxygen Sensor TRQ OSA61703

Part Details:

  • 16.93 in
  • M18x1.5-6e
  • 22 mm
  • Specific
  • 4
  • 18 mm
  • Threaded
  • 4
  • Trapezoid
  • Female
  • 306 mm
  • Thimble
  • Female
  • 430 mm
  • Standard Replacement
  • 22mm
  • 12.05 in
  • 0.71 in
  • Narrow-Band
  • Yes
$46.95
recommended video

How to Replace O2 Oxygen Sensor 1997-2003 Buick LeSabre

Check engine light on? Find out how to replace a bad upstream oxygen (O2) sensor before the catalytic converter with this how-to video

Share on:
Copy URL
Go To Top
Same Day Shipping

Need your part faster? Choose expedited shipping at checkout.

Guaranteed To Fit

Highest quality, direct fit replacement auto parts enforced to the strictest product standards.

USA Customer Support

Exceeding customers' expectations, our team of passionate auto enthusiasts are here to help.

Instructional Video Library

Thousands of how-to auto repair videos to guide you step-by-step through your repair.