Shop Differential Covers and upgrade the front or rear axle in your 2007.5-2018 Dodge 6.7L Cummins. Aftermarket cast covers can offer many benefits such as increased fluid capacity, integrated cooling fins, and additional strength over the stock steel cover. Differential Covers are typically available as an upgraded cast and machined design and as a stamped steel replacement. Find the leading brands including Mag-Hytec, Dynatrac, ATS Diesel, BD-Power, PPE, AFE Power, Yukon, Banks Power, B&M, Nitro Gear & Axle, Dorman, and more!