2011-2016 GM Duramax 6.6L LML Differential Covers

An aftermarket differential cover for your 2011-2016 GM 6.6L Duramax is a premium upgrade for anybody running high-performance driveline modifications like upgraded ring-and-pinion gears or differentials. Here at Alligator Performance, we carry a variety of differential covers that feature larger fluid capacities, stronger constructions, and easier access for changing gear lube to help improve the overall utility and performance of your crucial driveline components. Aside from providing access for maintenance procedures and helping heat dissipate faster, these aftermarket covers will also protect your gears from contaminants like dirt and water when you're out adventuring. 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.