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GM 11.5 AAM Rear Hub Rebuild Kit, 74070003This is a genuine AAM hub bearing kit with all necessary parts to replace bearings and seals on both sides in a 2011 and newer GM 3/4 or 1 ton truck with single rear wheels. This kit has Timken Bearings and is the same for either the 10.5 or 11.5 rear axles.