2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Sumps, Accessories & Additives

If you've added on an aftermarket fuel system to your 2011-2016 GM 6.6L Duramax LML build and noticed you're not getting as far as you once used on a full tank of gas. Pick up an aftermarket fuel sump to get the most out of your fuel system so you can enjoy a longer stretch of the journey without having to constantly fill up. Draw more fuel from your tank with the help of gravity by investing in any of our premium Fuel Sumps here at Alligator Performance! GM Duramax Fitments: 2011, 2012, 2013, 2014, 2015, 2016 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.