Upgrade your engine sealing with this Gen 3 III LS Engine Gasket Set, designed fit for 1999-2010 Express, Suburban, and 2001-2005,Sierra 1500 models equipped with 4.8L, 5.3L, 5.7L, or 6.0L LS-series engines (including LS1, LS2, LS3, LS4, LS5, and LS6). This comprehensive kit includes high-quality gaskets and seals, such as the oil pan gasket, valve cover gaskets, exhaust manifold gaskets, timing cover gasket, rear main seal, and coolant bypass seals, ensuring a leak-free engine rebuild.
Engineered to meet or exceed OEM specifications, this set replaces multiple OE part numbers (12612350, 12558178, 12617944, 12639249, and more) and undergoes rigorous testing for reliable performance. The heat-resistant materials withstand high and low temperatures, while the precise fitment ensures easy installation. Whether you're performing routine maintenance or a full engine overhaul, this gasket set delivers durability, efficiency, and cost savings.