Shop Gear Install Kits & Components when restoring or rebuilding the axles in your 2003-2004 Dodge 5.9L Diesel. Master overhaul kits and master installation kits provide all the parts you need to get the job done. A large selection of bearings, shims, seals, gaskets, and crush sleeves are offered to help you to replace the gears or repair your differential. Get the leading brands including Nitro Gear & Axle, USA Standard Gear, Yukon Gear & Axle, Eaton, Dorman, Cometic Gasket, Mahle, and more!