Shop Differential Covers and upgrade the front or rear axle in your 1999-2003 Ford 7.3L Powerstroke. Differential covers come in a wide variety of styles such as a stock stamped steel replacement, or an updgraded cast and machined design. Cast covers can offer added benefits such as increased fluid capacity, integrated cooling fins, and additional strength over the steel factory cover. Shop all the top manufacturers including Mag-Hytec, Dynatrac, ATS Diesel, BD-Power, PPE, AFE Power, Yukon, Banks Power, B&M, Nitro Gear & Axle, Dorman, and more!