Use the proper gaskets and seal reseal the engine in your 2006-2007 Chevy/GMC 6.6L LLY/LBZ Duramax. Use only the best quality gaskets to avoid issues when it comes to service work and repairs on your engine. Shop today and get head gaskets, rear main seals, complete engine gasket sets, oil pan gaskets, and more. Get the important gaskets your engine needs from major brands like MAHLE, Interstate-McBee, Cometic, Alliant, and factory replacement brands.