Your GM 2500HD/3500HD is built for off-road adventures, but the factory lighting can struggle in low-visibility and dark conditions. With our selection of Off-Road Light Mounts for your 2007.5-2010 6.6L Cummins, you can easily add powerful LED lights and light bars. These mounts support a range of options, from 3" cube lights to high-output LED light bars, ensuring you have all the illumination needed to navigate the trail with ease. Add additional illumination to your truck’s lighting setup with our efficient and brightHeadlights! GM Duramax Fitments: 2007, 2009, 2010 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.