[Replacement OE Number] Exhaust Manifold Header Gasket Replaces Part Number: 551696, 12617944, 12600530, MS16124. Package include: 2 x Exhaust Manifold Gasket, 12 x Bolts. [Compatibility] The exhaust manifold header gasket is compatible with 1999-2013 Silverado/Sierra 1500, 1999-2004 Silverado/Sierra 2500, 2001-2006 Silverado/Sierra 3500, 2001-2003 Silverado/Sierra 1500 HD, 2005-2006 Silverado/Sierra 1500 HD, 2001-2019 Silverado/Sierra 2500 HD, 2007-2019 Silverado/Sierra 3500 HD, 2007-2007 Silverado/Sierra 1500/3500/1500 HD/2500 HD Classic, 2000-2014 Tahoe, Yukon, 2000-2014 Yukon XL 1500/2500, 2000-2014 Suburban 1500/2500, 2003-2014 Express/Savana 1500, 2003-2019 Express/Savana 2500/3500, 1997-2000 Corvette, 2005-2013 Corvette(2010-2013 EngineVIN:W). [Compatibility] The exhaust manifold header gasket is compatible with 2007-2013 Avalanche, 2002-2006 Avalanche 1500, 2002-2014 Escalade, Escalade EXT, Escalade ESV, 1998-2002 Camaro, 2010-2015 Camaro(2012-2015 EngineVIN:J/W), 2006-2009 Trailblazer, 2003-2006 Trailblazer EXT, 2003-2009 H2, 2008-2010 H3, 2009-2010 H3T, 2008-2009 G8, 2005-2009 9-7x, 1998-2002 Firebird, 2006-2009 Impala, 2004-2006 GTO, 2005-2009 Envoy, 2003-2006 Envoy XL, 2004-2005 Envoy XUV, 2003-2006 SSR, 2004-2007 Rainier, 2004-2007 CTS, 2005-2008 Grand Prix, 2006-2007 Monte Carlo, 2008-2009 LaCrosse, 2009-2012 Canyon, 2009-2012 Colorado, 2011-2017 Caprice, 2014-2017 SS, 2016-2018 LCF 3500. [Precise Hole Positioning] Automotive replacement head gasket sets is designed to OE standards with precise hole positioning, ensuring a perfect match with the original vehicle. You can complete the engine replacement or repair task yourself, saving time and money on a trip to the auto repair shop. [Durable] The engine gasket set is made of high-quality materials, including non-asbestos materials, high-quality silicone rubber, fluorine rubber valve stem seals, and graphite or MLS head gaskets. It has excellent sealing and non-stick wear-resistant layers and can withstand high pressure, high temperature, and corrosive. PHILTOP LS MLS Exhaust Manifold Header Gasket Pair for Chevy Silverado Sierra Suburban 1500 2500 HD LS1 4.8 5.3 5.7 6.0 6.2L 1997-2018,with Bolts