2020-2025 GM 2500HD/3500HD 6.6L L5P Duramax Light Bars

Light bars are a must-have upgrade for any 2020–2025 GM 2500HD or 3500HD running the 6.6L L5P Duramax, especially if you’re hitting the trails, working after dark, or need better visibility in low-light conditions. These high-output LED bars provide far greater illumination than factory headlights, helping you see more of the road or terrain ahead. In this section, you'll find a variety of light bar options, including single-row and dual-row setups, spot and flood beam patterns, and multiple mounting configurations. Whether you're going for a sleek grille-mounted look or a roof-mounted powerhouse, there's a solution to match your build. Alligator Performance only stocks lighting from the industry's top brands like Baja Designs, Rigid Industries, KC HiLiTES, and Diode Dynamics. That means every product here is built for serious durability, weather resistance, and off-road-ready performance. When visibility matters, you can count on these light bars to deliver.  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.