The 2500HD and 3500HD Duramax diesel come equipped with the AAM, 14-bolt rear axle with an 11.5 ring gear and 3.73 gear ratio. We stock single-wheel, dual, and cab chassis rear axles that come complete from the rotor to the rotor with hubs and calipers. All are inspected and carry our 30-day parts warranty. We also carry rear axle parts for repair – axle shafts, ring and pinion, carrier assemblies, housings, hubs, etc. We also stock ready-to-drop-in front differentials,
CV shafts, and suspension parts – freight shipping on all axles and parts is available.