Gear Install Kits & Components help you reassemble the differential in your 2003-2010 Chevy/GMC Kodiak/TopKick 6.6L Duramax. 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. Shop all the top brands including Nitro Gear & Axle, USA Standard Gear, Eaton, Yukon Gear & Axle, Dorman, Cometic Gasket, Mahle, and more!