Sadler Power Train stocks differential covers including cast iron covers, aluminum covers, and heavy-duty aftermarket covers with improved capacity and cooling features. Our inventory includes covers from ARB, Mag-Hytec, Spicer, and other manufacturers for various commercial truck and specialty vehicle axles. With locations in Cedar Rapids, Davenport, Dubuque, and Waterloo, we provide real-time inventory access and same-day availability across the Midwest. Upgraded differential covers increase lubricant capacity, improve cooling, and provide better protection for severe-duty applications. Our technical staff helps you select covers with proper bolt patterns, gasket configurations, and fill/drain plug locations for your specific axle model. Whether you need OEM replacement covers or heavy-duty aftermarket upgrades, Sadler Power Train delivers quality differential covers with fast shipping and expert support.