Reseal the engine in your 2003-2010 Chevy/GMC Kodiak/TopKick 6.6L Duramax with the proper gaskets and seals. Shop now for head gaskets, oil pan gaskets, complete engine gasket sets, rear main seals, and more. Use only the best quality gaskets to avoid issues when it comes to service work and repairs on your engine. Get the gaskets you need from the largest suppliers in the industry such as MAHLE, Cometic, Interstate-McBee, Alliant, and even OE brands.