2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax 6.75ft Bed Tonneau Covers

Keep the gear in your 2017-2019 GM 6.6L Duramax L5P’s 6.75ft bed safe from inclement weather and potential theft with a premium tonneau cover from Alligator Performance! Aftermarket truck bed covers not only provide more security but also give your GM 2500HD/3500HD a sleek, stylish look that will be sure to turn heads on every adventure. Whether you need a budget-friendly roll-up cover or a convenient hands-free retractable cover, we offer a wide range of tonneau options to fit your specific needs. Easy to install, these tonneau covers enhance your truck’s overall functionality while delivering immediate protection along with a more aerodynamic profile. GM Duramax Fitments: 2017, 2018, 2019 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.