Make sure you have the proper gaskets and seals when you repair the engine in your 2017-2019 Chevy/GMC 6.6L L5P Duramax. Quality gaskets are crucial when it comes to maintenance and repair work. Shop now for head gaskets, oil pan gaskets, complete engine gasket sets, rear main seals, and more. Find the gaskets your engine needs from top brands like MAHLE, Interstate-McBee, Alliant, Cometic, and many other OE brands.