2020-2022 GM Duramax 6.6L L5P Tonneau Covers

Leaving your truck bed open for unwanted personnel or mother nature's unexpected surprises is never the best idea, but adding a tonneau to your 2020-2022 GM 6.6L Duramax L5P truck can make all the difference. These premium Sierra/Silverado tonneau covers give your truck a super low-profile appeal while keep all of your gear protected from prying eyes and inclement weather. We carry a wide selection of tonneau's that range from basic roll-up covers to hands-free retractable covers and everything else in between. GM Duramax Fitments: 2020, 2021, 2022 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.