OE Number - Please confirm the OE number: 12589226, 12498544, 26190PT, 54442, 12589226. Package included: 2 x MLS Head Gasket Fitment - The head gasket is compatible with 2005-2013 Chevy Silverado 1500 5.3L, 2005-2013 GMC Sierra 1500 5.3L, 2008-2013 Tahoe 5.3L, 2007-2013 Silverado 1500 4.8L, 2007 2014 Tahoe, 2008-2017 Express 2500 4.8L, 2010-2014 Suburban 1500, 2007-2009 Suburban 1500 5.3L, 2007-2014 Yukon 5.3L, 2007-2009 Avalanche 5.3L, 2007-2013 Sierra 1500 4.8L, 2007-2014 Yukon XL 1500 5.3L, 2002-2004 Corvette, 2010-2013 Avalanche, 2008-2017 Savana 2500 4.8L, 2007 Silverado 1500 Classic 5.3L, 2008-2017 Express 3500 4.8L, 2008-2017 Savana 3500 4.8L, 2006-2009 Impala 5.3L Fitment - The head gasket is compatible with 2009-2014 Express 1500 5.3L, 2005-2009 Envoy 5.3L, 2008-2009 Tahoe 4.8L, 2002 Camaro 5.7L, 2002 Firebird 5.7L, 2007 Sierra 1500 Classic 5.3L, 2005-2008 Grand Prix 5.3L, 2004 Pontiac GTO, 2006-2007 Monte Carlo 5.3L, 2009-2014 Savana 1500 5.3L, 2007-2009 Yukon 4.8L, 2006-2008 Trailblazer 5.3L, 2008-2010 H3 5.3L, 2009-2012 Colorado 5.3L, 2004-2005 Cadillac CTS 5.7L, 2005-2007 Buick Rainier 5.3L, 2005-2009 Saab 9-7x 5.3L, 2009-2012 Canyon 5.3L, 2005 Trailblazer EXT 5.3L, 2008-2009 LaCrosse 5.3L, 2009-2010 Hummer H3T 5.3L, 2005-2006 Isuzu Ascender 5.3L, 2002-2004 Avanti II Superior Quality - Our engine cylinder head gasket is made of multi-layer stainless steel + graphite composite material, which can withstand 400℃ high temperature and 15bar high pressure. Excellent resistance to high temperature, high pressure, and corrosion, ensures maximum compression ratio allowing the engine to maintain an excellent seal for a longer period of time Easy to Install - Automotive replacement head gasket sets designed by the manufacturer's in-house engineering team. Strict tolerance testing. Plug-and-play, direct fit to ensure a perfect match with your model. Quick and easy installation.