2020-2025 GM 2500HD/3500HD 6.6L L5P Duramax Differential Covers

Make your life easier by upgrading the differential cover on your 2020-2025 GM 2500HD/3500HD 6.6L Duramax! These durable covers are designed to shield your truck's differential from rocks, debris, and harsh conditions, ensuring your driveline stays in top shape during heavy-duty applications. In addition to the added protection, many of these covers offer more fluid capacity and better heat dissipation, helping to improve the overall longevity and efficiency of your differential. Be sure to also check out our selection of Gear Packages and Differentials to ensure your GM 2500HD/3500HD is fully equipped for any challenge that comes its way. GM Duramax Fitments: 2020, 2021, 2022, 2023, 2024, 2025 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.