12617944 Exhaust Manifold Header Gasket for Chevy GMC Cadillac Silverado Suburban Tahoe Avalanche Camaro Colorado Corvette Express,Sierra Yukon Envoy,for LS1 LS2 LS3 LS6 LQ4 LQ9 4.8 5.3 5.7 6.0 6.2

Compatible with Chevy:1999-2013 Silverado 1500 4.8L 5.3L 6.0L2001-2006 Silverado 1500 HD 6.0L2007 Silverado 1500 2500 HD Classic 6.0L2007 Silverado 1500 Classic 5.3L 6.0L2006-2013 Silverado 2500 4.8L1999-2013 Silverado 2500 5.3L1999-2014 Silverado 2500 6.0L2001-2018 Silverado 2500 HD 6.0L2001-2013 Silverado 3500 6.0L2007 Silverado 3500 Classic 6.0L2007-2009 Avalanche 6.0L2007-2013 Avalanche 5.3L2002-2006 Avalanche 1500 5.3L1998-2002 Camaro 5.7L2010-2015 Camaro 6.2L2011-2017 Caprice 6.0L2009-2012 Colorado 5.3L1997-2004 Corvette 5.7L2005-2007 Corvette 6.0L2008-2013 Corvette 6.2L2003 Express 2500 4.8L 5.3L 6.0L2001-2014 Express 1500 5.3L2006-2013 Express 2500 4.8L/6.0L2006-2009 Impala 5.3L2014-2017 SS 6.2L2003-2006 SSR 6.0L2001-2014 Suburban 1500 5.3L2006-2013 Suburban 1500 6.0L2000-2013 Suburban 2500 6.0L2006-2009 Trailblazer 5.3L2003-2006 Trailblazer EXT 5.3L2000-2009 Tahoe 4.8L2000-2013 Tahoe 5.3L 2008-2009 Tahoe 6.2LCompatible with GMC:2009-2012 Canyon 5.3L2003-2006 Envoy XL 5.3L2004-2005 Envoy XUV 5.3L2005-2009 Envoy 5.3L2007-2013 Sierra 5.3L2008-2013 Sierra 6.2L2007 Sierra 1500 Classic 4.8L 5.3L 6.0L2007 Sierra 1500 2500 HD Classic 6.0L1999-2000 Sierra 2500 5.3L1999-2003 2004 Sierra 2500 6.0L1999-2013 Sierra 1500 4.8L 5.3L 6.0L2001-2006 Sierra 1500 HD 6.0L2001-2018 Sierra 2500 HD 6.0L2004-2006 Sierra 3500 6.0L2001-2009 Yukon 4.8L2001-2014 Yukon 5.3L2001-2006 Yukon 6.0L2007-2014 Yukon 6.2L2000-2013 Yukon XL 1500 5.3L2001-2008 Yukon XL 1500 6.0L2007-2013 Yukon XL 1500 6.2L2000-2013 Yukon XL 2500 6.0LCompatible with Cadillac:2004-2005 CTS 5.7L2006-2007 CTS 6.0L2009-2012 CTS 6.2L2000 Escalade 5.7L2006 Escalade 6.0L2002-2005 Escalade 5.3L 6.0L2007-2014 Escalade 6.2L2003-2006 Escalade ESV 6.0L2008-2014 Escalade ESV 6.2L2002-2006 Escalade EXT 6.0L20072013 Escalade EXT 6.2LCompatible with Pontiac:1998-2002 Firebird 5.7L2009 G8 6.2L2008 2009 G8 6.0L2004 GTO 5.7L2005 2006 GTO 6.0L

• 【REPLACEMENT PART NUMBER】Replace 12617944 12558573 12600530 12620947 Compatible With Chevy/GMC/Cadillac/Pontiac Vehicles, Please Carefully Check Before Placing The Brand/Model/Year To Determine The Products You Need, Thank You!
• 【COMPATIBLE WITH CHEVY】Compatible With Chevy 1999-2013 Silverado 1500 4.8L, 5.3L, 6.0L | 2001-2006 Silverado 1500 HD 6.0L | 2007 Silverado 1500 2500 HD Classic 6.0L | 2007 Silverado 1500 Classic 5.3L, 6.0L | 2006-2013 Silverado 2500 4.8L | 1999-2013 Silverado 2500 5.3L | 1999-2014 Silverado 2500 6.0L | 2001-2018 Silverado 2500 HD 6.0L | 2001-2013 Silverado 3500 6.0L | 2007 Silverado 3500 Classic 6.0L | 2007-2009 Avalanche 6.0L | 2007-2013 Avalanche 5.3L | 2002-2006 Avalanche 1500 5.3L | 1998-2002 Camaro 5.7L | 2010-2015 Camaro 6.2L | 2011-2017 Caprice 6.0L | 2009-2012 Colorado 5.3L | 1997-2004 Corvette 5.7L | 2005-2007 Corvette 6.0L | 2008-2013 Corvette 6.2L
• 【COMPATIBLE WITH CHEVY】Compatible With Chevy 2003 Express 2500 4.8L, 5.3L, 6.0L | 2001-2014 Express 1500 5.3L | 2006-2013 Express 2500 4.8L, 6.0L | 2006-2009 Impala 5.3L | 2014-2017 SS 6.2L | 2003-2006 SSR 6.0L | 2001-2014 Suburban 1500 5.3L | 2006-2013 Suburban 1500 6.0L | 2000-2013 Suburban 2500 6.0L | 2006-2009 Trailblazer 5.3L | 2003-2006 Trailblazer EXT 5.3L | 2000-2009 Tahoe 4.8L | 2000-2013 Tahoe 5.3L | 2008-2009 Tahoe 6.2L | 2003 Express 2500 4.8L, 5.3L, 6.0L | 2001-2014 Express 1500 5.3L | 2006-2013 Express 2500 / 4.8L, 6.0L | 2006-2009 Impala 5.3L | 2014-2017 SS 6.2L | 2003-2006 SSR 6.0L
• 【COMPATIBLE WITH CHEVY】Compatible With Chevy 2001-2014 Suburban 1500 5.3L | 2006-2013 Suburban 1500 6.0L | 2000-2013 Suburban 2500 6.0L | 2006-2009 Trailblazer 5.3L | 2003-2006 Trailblazer EXT 5.3L | 2000-2009 Tahoe 4.8L | 2000-2013 Tahoe 5.3L | 2008-2009 Tahoe 6.2L
• 【COMPATIBLE WITH GMC】Compatible With GMC 2009-2012 Canyon 5.3L | 2003-2006 Envoy XL 5.3L | 2004-2005 Envoy XUV 5.3L | 2005-2009 Envoy 5.3L | 2007-2013 Sierra 5.3L | 2008-2013 Sierra 6.2L | 2007 Sierra 1500 Classic 4.8L, 5.3L, 6.0L | 2007 Sierra 1500 2500 HD Classic 6.0L | 1999-2000 Sierra 2500 5.3L | 1999-2003 2004 Sierra 2500 6.0L | 1999-2013 Sierra 1500 4.8L, 5.3L, 6.0L | 2001-2006 Sierra 1500 HD 6.0L | 2001-2018 Sierra 2500 HD 6.0L | 2004-2006 Sierra 3500 6.0L | 2001-2009 Yukon 4.8L | 2001-2014 Yukon 5.3L | 2001-2006 Yukon 6.0L | 2007-2014 Yukon 6.2L | 2000-2013 Yukon XL 1500 5.3L | 2001-2008 Yukon XL 1500 6.0L | 2007-2013 Yukon XL 1500 6.2L | 2000-2013 Yukon XL 2500 6.0L
• 【COMPATIBLE WITH CADILLAC】Compatible With Cadillac 2004-2005 CTS 5.7L | 2006-2007 CTS 6.0L | 2009-2012 CTS 6.2L | 2000 Escalade 5.7L | 2006 Escalade 6.0L | 2002-2005 Escalade 5.3L, 6.0L | 2007-2014 Escalade 6.2L | 2003-2006 Escalade ESV 6.0L | 2008-2014 Escalade ESV 6.2L | 2002-2006 Escalade EXT 6.0L | 20072013 Escalade EXT 6.2L
• 【COMPATIBLE WITH PONTIAC】Compatible With Pontiac 1998-2002 Firebird 5.7L | 2009 G8 6.2L | 2008 2009 G8 6.0L | 2004 GTO 5.7L | 2005 2006 GTO 6.0L