2006-2007 GM 2500HD/3500HD 6.6L LBZ Duramax Differential Covers

The factory sheet metal differential cover on your 2006-2007 GM 2500HD/3500HD is susceptible to damage. Our selection of aftermarket differential covers not only adds durability but also enhances your truck’s appearance and simplifies maintenance. Many of these covers offer increased fluid capacity and built-in cooling fins to help regulate temperatures during heavy towing or aggressive driving. Additionally, most of these covers come with built-in drain and fill plugs, making gear oil changes much more convenient. Pair your heavy-duty differential covers with our selection of Skid Plates for additional protection!  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.