Upgrade the axle in your 2008-2010 Ford 6.4L Powerstroke with a new Differential Cover. Aftermarket cast covers typically offer increased fluid capacity, integrated cooling fins, and additional strength over the OE stamped 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!