[OEM Number Replacement]: Valve Cover Gaskets Replaces OEM #12637683 VS50250A VS50504R1 VS 50504 R-1. (Make sure the OEM are the same as your old part before you buy to avoid a mistake purchase) [Compatible with]: Engine Valve Cover Gasket Kits Compatible with Chevy Silverado, Suburban, Tahoe, Avalanche, Colorado, Camaro, Express, Trailblazer, Caprice, Impala, GMC Sierra, Yukon, Savana, Envoy, Canyon, C-adillac Escalade, Buick Rainier with 4.8 5.3 5.7 6.0 6.2 Vortec Engine [Premium Material]: The Valve Cover Gasket Set is made of premium materials to provide superior sealing performance and durability, providing a seal for the cylinder head and valve cover, it can provide a long term service [Easy to Use]: You will get 2 Valve Cover Gasket, 1 Graphite Gasket, 8 Grommets, securely attached to the valve cover using a gasket and accurately installed on the port [Replace the Valve Cover Gasket]: This Valve Covers Kit for seals the cylinder head and valve cover to prevent engine oil leaks and other substances from entering the valve Compatible with Chevy Models
1999-2015 Camaro
2011-2017 Caprice
2009-2012 Colorado
1999-2013 Corvette
2000-2014 Suburban 1500
2000-2013 Suburban 2500
2016-2019 Suburban 3500 HD
2000-2014 Tahoe
2006-2009 Trailblazer
2003-2006 Trailblazer EXT
2007-2013 Avalanche
2002-2006 Avalanche 1500
2003-2014 Express 1500
2003-2020 Express 2500 3500
2010-2019 Express 4500
2006-2009 Impala
2006-2007 Monte Carlo
2014-2017 SS
2003-2006 SSR
1999-2013 Silverado 1500
1999-2004 Silverado 2500
2001-2006 Silverado 3500
2001-2006 Silverado 1500 HD
2001-2019 Silverado 2500 HD
2007-2019 Silverado 3500 HD
2007 Silverado 1500 Classic
1500 HD Classic
2500 Classic
3500 Classic
Compatible with GMC Models
1999-2013 Sierra 1500
1999-2004 Sierra 2500
2001-2006 Sierra 3500
2000-2014 Yukon
2000-2014 Yukon XL 1500
2000-2013 Yukon XL 2500
2001-2006 Sierra 1500 HD
2001-2019 Sierra 2500 HD
2007-2019 Sierra 3500 HD
2009-2012 Canyon
2005-2009 Envoy
2003-2006 Envoy XL
2004-2005 Envoy XUV
2003-2014 Savana 1500
2003-2020 Savana 2500
2003-2020 Savana 3500
2010-2019 Savana 4500
2007 Sierra 1500 Classic
1500 HD Classic
2500 HD Classic
3500 Classic
Compatible with C-adillac & Buick Models
2008-2009 Allure
2008-2009 LaCrosse
2004-2007 Rainier
2004-2015 CTS
2002-2014 Escalade
2003-2014 Escalade ESV
2002-2013 Escalade EXT
Compatible with Other GM Models
2003-2009 Hummer H2
2008-2010 Hummer H2
2009-2010 Hummer H3T
2003-2006 Isuzu Ascender
1999-2002 Pontiac Firebird
2008-2009 Pontiac G8
2005-2008 Pontiac Grand Prix
2005-2009 Saab Saab 9-7x
2004-2006 Pontiac GTO