2013-14. 2500. Left.2WD. Right.2WD. Upper ball joint nut. Nut used to secure the Steering Tie Rod. Part cannot be reused/reinstalled. Rack and Pinion Nut. Steering Knuckle Nut. Steering Pitman Arm Nut. Suspension Ball Joint Nut / Washer. Suspension Control Arm Nut. Included with: Lower Control Arm, Upper Control Arm, Upper Control Arm Part cannot be reused/reinstalled.