2013-16. Left.W/DUAL REAR WHEELS. Right.W/DUAL REAR WHEELS. Bearing Only. Differential Carrier Bearing. Dual Rear Wheels. Exc.Heavy Duty Towing Package. Ring Gear 10.50". Single Rear Wheels. Wheel Bearing. Axle S. Cone and Roller -. Differential Carrier. Outer. Side S. Wheel. Included with: Hub assembly.