If you need to service the axles on a 4WD Ford Super Duty, you want to have all the parts on-hand to do the job correctly and replace consumables. This wheel hub seal kit helps you do that and will service one wheel on specified vehicles. The kit includes 2 locking hub O-rings, 3 locking hub screws, 1 locking hub gasket, seals for the axle and the hub, 4 hub nuts and a hub O-ring, 1 threaded valve fitting, and 1 snap ring. It's everything you need for a complete repair, with components designed to match the fit and function of the original equipment parts and help restore and ensure smooth, reliable 4WD operation.