Replacement OE Number - HS26191PT-1, HGS3168, CS9284, LGS3165. Please confirm that the old part number matches the one listed before making a purchase Compatibility - The head gasket kit fits for 2002-2006 Chevy Silverado 1500 5.3L, 2002-2006 GMC Sierra 1500 5.3L, 2002-2005 Suburban 1500, 2004-2006 Chevy Tahoe, 2002-2003 Tahoe 5.3L, 2004-2006 Silverado 1500 4.8L, 2004-2006 Avalanche 1500, 2002-2006 Yukon 5.3L, 2002-2006 Yukon XL 1500 5.3L, 2004-2007 Express 2500 4.8L, 2007 Silverado 1500 Classic 4.8L 5.3L, 2004-2006 Sierra 1500 4.8L Compatibility - The head gasket kit fits for 2004-2008 Express 1500 5.3L, 2004-2007 Savana 2500 4.8L, 2004-2006 Yukon 4.8L, 2006 Suburban 1500 5.3L, 2004-2007 Savana 3500 4.8L, 2004-2007 Express 3500 4.8L, 2004-2008 Savana 1500 5.3L, 2007 Sierra 1500 Classic 4.8L 5.3L, 2004-2005 Cadillac Escalade 5.3L, 2004 SSR, 2004 Buick Rainier 5.3L, 2004 Trailblazer EXT 5.3L, 2004 Envoy XUV 5.3L, 2004 Envoy XL 5.3L, 2004-2005 Express 2500 5.3L, 2004 Ascender 5.3L, 2004-2005 Savana 2500 5.3L Package Include - Exhaust Manifold Gasket x 2, MLS Head Gasket x 2, Valve Cover Gasket x 2, Grommets x 1, Other Small Seals x 4, Valve Oil Seals x 16, Intake Manifold Gasket x 3, RTV Silicone x 1, Graphite Head Gasket x 8, Oil Pan Gasket x 1, Timing Cover Gasket x 2, Other Small Gaskets x 17 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 - Made of high-quality multi-layer stainless steel and graphite, the engine cylinder gasket kit comes with excellent sealing and non-stick wear-resistant layers. It is designed to resist high pressure (up to 15bar), high temperature (up to 400℃), and corrosive fluids in the engine. With strong durability, it ensures long-term stable use and avoids unexpected breakdowns caused by gasket failure PHILTOP HS26191PT1 Head Gasket Set, Compatible with 2002-2011 Silverado 1500 Suburban 1500, 2007 Silverado 1500 Classic, 2007-2011 Avalanche 4.8L 5.3L, Cylinder Head Gasket Kits with Bolts