234-4337 Oxygen Sensor O2 Sensor for GM. Silverado 1500(Sierra) 06-13, Colorado Canyon 06-12, Tahoe Yukon Monte Carlo 06-07, Impala 06-09, Lacrosse 08-09, Escalade 07 Upstream or Downstream

For Buick Allure 2008-2009 5.3L Upstream LaCrosse 2008-2009 5.3L Upstream Lucerne 2006-2011 4.6L DownstreamRainier 2006 4.2L DownstreamFor Cadillac CTS 2006-2007 6L UpstreamDTS 2006-2011 4.6L DownstreamEscalade/ESV/ EXT 2007 6.2L UpstreamFor Chevrolet Avalanche 2006 5.3/6L , Avalanche 1500 2007 5.3L UpstreamColorado 2006-2012 2.8/3.5/5.3L Downstream/UpstreamImpala 2006-2009 5.3L Upstream Monte Carlo 2006-2007 5.3L Upstream Silverado 1500 2006-2013 4.3/4.8/5.3L UpstreamSilverado 1500 Classic 2007 4.3/4.8/5.3L Upstream Spark 2013-2015 1.2L Downstream Suburban 1500 2006-2007 5.3/6L Upstream Suburban 2500 2007 6L Upstream Tahoe 2007 4.8/5.3L UpstreamTrailblazer 2006-2009 4.2/5.3/6L DownstreamTrailblazer EXT 2006 4.2L DownstreamFor GMC Canyon 2006-2012 2.8/3.5/5.3L Downstream/UpstreamEnvoy 2006-2009 4.2/5.3L DownstreamEnvoy XL 2006 4.2L DownstreamSierra 1500 2006-2013 4.3/4.8/5.3L UpstreamSierra 1500 Classic 2007 4.3/4.8/5.3L UpstreamYukon 2006-2007 4.8/5.3/6.2 UpstreamYukon XL 1500 2006-2007 5.3/6/6.2L UpstreamYukon XL 2500 2007 6L UpstreamFor Hummer Upstream H2 2007-2009 6/6.2L H3 2008-2010/H3T 2009-2010 5.3L For Isuzu DownstreamAscender 2006 4.2L i-280 2.8L, i-350 3.5L 2006 For Pontiac Upstream Grand Prix 2005-2008 5.3L For Saab 9-7x 2006-2009 4.2/5.3/6L Downstream

• This oxygen sensor is crafted from high temperature resistant material. Stabilized zirconium dioxide ceramic body, its surfaces are coated with electrodes made of a gas-permeable platinum layer. Always meet or exceed original equipment specifications.
• Double laser-welded stainless steel body is totally submersible and sealed tight for long life. Detect oxygen content in the exhaust gases to optimize emissions and fuel economy.
• Fit for GM. 2006-2013 Silverado 1500(Sierra), 2006-2012 Colorado/Canyon, 2006-2007 Tahoe/Yukon. Please check the position of the oxygen sensor and confirm our pictures (body, socket, plugs) are same as yours, specifically pattern and shape of the connector end plastic casing.
• Direct plug-in replacement, come with pre-coated threads to assist installation. Female connector. Thread diameter 0.708 inch. 4 wires. Wire harness length 17.44 inch.
• 30 Days Free Money-back Guarantee and 12-Month/15,000 Miles Warranty. For any pre or after-sale replacements or performance questions or solutions, just email us and we will provide a professional, friendly, and supportive reply within 24 hours, let's hit it!