For Chevy:
For 2001-2003 Chevy Silverado 1500 HD; For 2001-2005 Chevy Silverado 2500; For 2001-2007 Chevy Silverado 3500; For 2001-2013 Chevy Silverado 2500 HD/ 1500; For 2005-2006 Chevy Silverado 1500 HD; For 2007 Chevy Silverado 1500 Classic/ 2500 HD Classic/ 3500 Classic; For 2007-2011 Chevy Silverado 3500 HD; For 2015-2019 Chevy Silverado 2500 HD/ 3500 HD.
For GMC:
For 2001-2013 GMC Sierra 1500; For 2001-2003 GMC Sierra 1500 HD; For 2001-2004 GMC Sierra 2500; For 2001-2011 GMC Sierra 2500 HD; For 2001-2006 GMC Sierra 3500; For 2005-2006 GMC Sierra 1500 HD; For 2007 GMC Sierra 1500 Classic/ 1500 HD Classic/ 2500 HD Classic/ 3500 Classic; For 2007-2011 GMC Sierra 3500 HD; For 2015-2019 GMC Sierra 2500 HD/ 3500 HD.