2020-2024 GM Duramax 6.6L L5P LED 3rd Brake Lights

Minor additions and adjustments like upgrading your 2020-2024 GM 2500/3500 HD truck's third brake light can help pull together it's entire build with brighter and more efficient LEDs. Luckily for you, we only work with reliable and trusted manufacturers to bring you the best looking and performing third brake light upgrades on the market! Our selection of third brake lights feature unique designs and impressive light output that will help compliment the aggressive nature of your tough truck. GM Duramax Fitments: 2020, 2021, 2022, 2023, 2024 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.