Best For

• •ApplicationCompatible For Buick Allure 2005-2009 V6-3.8 UpstreamCompatible For Buick Enclave 2008 V6-3.6 UpstreamCompatible For Buick Lacrosse 2005-2008 V6-3.8 UpstreamCompatible For Buick Lucerne 2007-2008 V6-3.8 UpstreamCompatible For Buick Lucerne 2009-2011 V6-3.9 UpstreamCompatible For Buick Rainier 2005 V8-5.3 UpstreamCompatible For Buick Rendezvous 2006-2007 V6-3.5 UpstreamCompatible For Buick Terraza 2005-2006 V6-3.5 UpstreamCompatible For Buick Terraza 2006-2007 V6-3.9 UpstreamCompatible For Buick Cts 2009-2015 V8-6.2 UpstreamCompatible For Buick Deville 2004-2005 V8-4.6 UpstreamCompatible For Buick Escalade 2003-2005 V8-5.3 Upstream/DownstreamCompatible For Buick Escalade 2009-2013 V8-6.0 UpstreamCompatible For Buick Escalade 2008-2014 V8-6.2 UpstreamCompatible For Buick Escalade Esv 2008-2014 V8-6.2 UpstreamCompatible For Buick Escalade Ext 2008-2013 V8-6.2 UpstreamCompatible For Cadillac Seville 2004 V8-4.6 UpstreamCompatible For Chevrolet Avalanche 2008-2013 V8-5.3 UpstreamCompatible For Chevrolet Avalanche 2008-2009 V8-6.0 UpstreamCompatible For Chevrolet Avalanche 1500 2003-2005 V8-5.3 Upstream/DownstreamCompatible For Chevrolet Caprice 2011-2013 V8-6.0 UpstreamCompatible For Chevrolet Cobalt 2007-2010 L4-2.2 UpstreamCompatible For Chevrolet Corvette 2004 V8-5.7 UpstreamCompatible For Chevrolet Equinox 2005-2009 V6-3.4 UpstreamCompatible For Chevrolet Hhr 2007-2011 L4-2.2 UpstreamCompatible For Chevrolet Hhr 2009-2011 L4-2.4 UpstreamCompatible For Chevrolet Impala 2006-2011 V6-3.5 UpstreamCompatible For Chevrolet Impala 2006-2011 V6-3.9 UpstreamCompatible For Chevrolet Malibu 2004-2010 V6-3.5 UpstreamCompatible For Chevrolet Malibu 2008-2012 V6-3.6 UpstreamCompatible For Chevrolet Malibu 2006-2007 V6-3.9 UpstreamCompatible For Chevrolet Monte Carlo 2006-2007 V6-3.5 UpstreamCompatible For Chevrolet Monte Carlo 2006 V6-3.9 UpstreamCompatible For Chevrolet Silverado 1500 2008-2013 V8-4.8 UpstreamCompatible For Chevrolet Silverado 1500 2003-2005 V8-5.3 Upstream/DownstreamCompatible For Chevrolet Silverado 1500 2007-2013 V8-5.3 UpstreamCompatible For Chevrolet Silverado 1500 2007-2013 V8-6.0 UpstreamCompatible For Chevrolet Silverado 1500 2009-2013 V8-6.2 UpstreamCompatible For Chevrolet Silverado 2500 Hd 2007-2011 V8-6.0 UpstreamCompatible For Chevrolet Silverado 3500 Hd 2007-2011 V8-6.0 UpstreamCompatible For Chevrolet Ssr 2005 V8-6.0 UpstreamCompatible For Chevrolet Suburban 1500 2003-2005 V8-5.3 Upstream/DownstreamCompatible For Chevrolet Suburban 1500 2008-2014 V8-5.3 UpstreamCompatible For Chevrolet Suburban 1500 2008-2009 V8-6.0 UpstreamCompatible For Chevrolet Suburban 2500 2008-2011, 2013 V8-6.0 UpstreamCompatible For Chevrolet Tahoe 2008-2009 V8-4.8 UpstreamCompatible For Chevrolet Tahoe 2003-2005 V8-5.3 Upstream/DownstreamCompatible For Chevrolet Tahoe 2008-2014 V8-5.3 UpstreamCompatible For Chevrolet Tahoe 2008-2013 V8-6.0 UpstreamCompatible For Chevrolet Tahoe 2008-2009 V8-6.2 UpstreamCompatible For Chevrolet Trailblazer Ext 2005 V8-5.3 UpstreamCompatible For Chevrolet Uplander 2005-2006 V6-3.5 UpstreamCompatible For Chevrolet Uplander 2006-2009 V6-3.9 UpstreamCompatible For Gmc Acadia 2007-2008 V6-3.6 UpstreamCompatible For Gmc Envoy 2005 V8-5.3 UpstreamCompatible For Gmc Envoy Xl 2005 V8-5.3 UpstreamCompatible For Gmc Sierra 1500 2008-2013 V8-4.8 UpstreamCompatible For Gmc Sierra 1500 2003-2005 V8-5.3 Upstream/DownstreamCompatible For Gmc Sierra 1500 2007-2013 V8-5.3 UpstreamCompatible For Gmc Sierra 1500 2007-2013 V8-6.0 UpstreamCompatible For Gmc Sierra 1500 2007-2013 V8-6.2 UpstreamCompatible For Gmc Sierra 2500 Hd 2007-2011 V8-6.0 UpstreamCompatible For Gmc Sierra 3500 Hd 2007-2011 V8-6.0 UpstreamCompatible For Gmc Yukon 2008-2009 V8-4.8 UpstreamCompatible For Gmc Yukon 2003-2005 V8-5.3 Upstream/DownstreamCompatible For Gmc Yukon 2008-2014 V8-5.3 UpstreamCompatible For Gmc Yukon 2008-2013 V8-6.0 UpstreamCompatible For Gmc Yukon 2008-2014 V8-6.2 UpstreamCompatible For Gmc Yukon Xl 1500 2003-2005 V8-5.3 Upstream/DownstreamCompatible For Gmc Yukon Xl 1500 2008-2014 V8-5.3 UpstreamCompatible For Gmc Yukon Xl 1500 2008-2009 V8-6.0 UpstreamCompatible For Gmc Yukon Xl 1500 2008-2014 V8-6.2 UpstreamCompatible For Gmc Yukon Xl 2500 2008-2013 V8-6.0 UpstreamCompatible For Isuzu Ascender 2005 V8-5.3 UpstreamCompatible For Pontiac Bonneville 2004-2005 V8-4.6 UpstreamCompatible For Pontiac G5 2007-2010 L4-2.2 UpstreamCompatible For Pontiac G6 2005-2010 V6-3.5 UpstreamCompatible For Pontiac G6 2007-2009 V6-3.6 UpstreamCompatible For Pontiac G6 2006-2009 V6-3.9 UpstreamCompatible For Pontiac G8 2008-2009 V8-6.0 UpstreamCompatible For Pontiac G8 2009 V8-6.2 UpstreamCompatible For Pontiac Grand Prix 2005-2008 V6-3.8 UpstreamCompatible For Pontiac Gto 2004 V8-5.7 UpstreamCompatible For Pontiac Gto 2005-2006 V8-6.0 UpstreamCompatible For Pontiac Montana 2005-2006 V6-3.5 UpstreamCompatible For Pontiac Montana 2006-2009 V6-3.9 UpstreamCompatible For Pontiac Torrent 2006-2009 V6-3.4 UpstreamCompatible