2001-2004 GM Duramax 6.6L LBZ Oil Pans, Valve Covers & Accessories

The factory valve cover on your 2001-2004 GM 6.6L Duramax LLY covers the valve of your engine, protects the machinery from the elements, and prevents oil leaks for consistent and reliable performance in every situation. With a component as versatile as the valve cover, it's essential to ensure dependable functionality of this cover to prevent any potential engine failure. Here at Alligator Performance, we carry a selection of valve covers that range from OEM replacements to completely upgraded covers, so we're sure you'll find something you love! GM Duramax Fitments: 2001, 2002, 2003, 2004 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.