Mag-Hytec

The stock differential covers and transmission covers on your big diesel truck due their jobs, but they don't offer the best protection, cooling, or capacity in world, which your truck may need for big power and tough applications. Mag-Hytec offers up a wide selection of high-quality differential covers and transmission covers that will let your truck function at its very best. Mag-Hytec's differential and transmission covers are made out of durable cast aluminum and feature cooling fins that give you excellent cooling capability along with improved strength over the stamped steel covers. Mag-Hytec's covers also have higher fluid capacities than stock which can help improve lubrication and cooling. Mag-Hytec has Duramax differential covers, Cummins differential covers, and Powerstroke different covers for just about any axle size and configuration.