2020-2025 GM 2500HD/3500HD 6.6L L5P Duramax Bed Liners

If you're constantly using your 2020-2025 GM 2500HD/3500HD 6.6L Duramax for heavy-duty hauling, a bed liner is essential to protect your truck bed from damage caused by heavy gear and harsh elements. These premium bed liners and mats provide complete bed protection with a simple, drop-in design that shields your truck bed from dents, scratches, and rust. They're also incredibly easy to install and remove, offering you flexible protection that can handle even the toughest jobs. Pair your new liner with a Roof Rack or Bed Rack to further improve the hauling capabilities of your GM 2500HD/3500HD. 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.