Trailer Wiring Adapter is a direct fit for the following:

2008-2015 Buick Enclave
2007-2015 Cadillac Escalade
2007-2013 Chevrolet Avalanche
2002-2006 Chevrolet Avalanche 1500
2002-2006 Chevrolet Avalanche 2500
2004-2012 Chevrolet Colorado
2003-2014 Chevrolet Express 1500
2003-2014 Chevrolet Express 2500
2003-2014 Chevrolet Express 3500
2001-2016 Chevrolet Silverado 1500
2007 Chevrolet Silverado 1500 Classic
2001-2003, 2005-2006 Chevrolet Silverado 1500 HD
2007 Chevrolet Silverado 1500 HD Classic
2001-2004 Chevrolet Silverado 2500
2001-2016 Chevrolet Silverado 2500 HD
2007 Chevrolet Silverado 2500 HD Classic
2001-2006 Chevrolet Silverado 3500
2007 Chevrolet Silverado 3500 Classic
2007-2016 Chevrolet Silverado 3500 HD
2015-2016 Chevrolet Suburban
2007-2014 Chevrolet Suburban 1500
2007-2013 Chevrolet Suburban 2500
2016 Chevrolet Suburan 3500 HD
2007-2016 Chevrolet Tahoe
2002-2009 Chevrolet Trailblazer
2009-2016 Chevrolet Traverse
2007-2015 GMC Acadia
2004-2012 GMC Canyon
2002-2009 GMC Envoy
2003-2014 GMC Savana 1500
2003-2016 GMC Savana 2500
2003-2016 GMC Savana 3500
2003-2015 GMC Sierra 1500
2007 GMC Sierra 1500 Classic
2003, 2005-2006 GMC Sierra 1500 HD
2007 GMC Sierra 1500 HD Classic
2003-2004 GMC Sierra 2500
2003-2015 GMC Sierra 2500 HD
2007 GMC Sierra 2500 HD Classic
2003-2006 GMC Sierra 3500
2007 GMC Sierra 3500 Classic
2007-2015 GMC Sierra 3500 HD
2007-2016 GMC Yukon

Genuine GM Part Number: 12496599