2006-2007 GM Duramax 6.6L LBZ Differential Covers

Upgrading the differential cover on your 2006-2007 GM 6.6L Duramax for something better is a great way to enhance the protection and utility of your major driveline components. A new differential cover works to dissipate heat faster to ensure consistent and reliable performance of your differential, helping prevent any potential hassles that occur during high-performance applications. Differential covers are also great for keeping your gears protected from debris and contamination when off-road as well as other large obstacles you come across on your adventures. Give your custom Sierra or Silverado improved strength and cooling by putting your trust in your friends here at Alligator Performance! GM Duramax Fitments: 2006, 2007 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.