Sand and dirt are two of the biggest enemies of your golf cart's bearings and seals. If this stuff is allowed to penetrate places it's not supposed to be, the result could be catastrophic. Bearings alone are sealed in most cases to protect against this. There are cases where heat from friction can cause those seals to open up and form gaps that basically send out longhand invitations to the bearing destruction party. Items like the E-Z-GO gas and electric Rear Hub Dust Cap are the forerunners in keeping the dust and grime out of places it shouldn't be. If you happen to notice that you are missing one, please get it replaced before something more complicated arises. Bearings are just the start of things; think about what they ride on. No one wants to replace an axle.This golf cart dust cap will fit the 1987 and newer model EZGO's. It was used on several different models over the years. EZGO liked to live by the motto, "if it ain't broke, don't fix it." Reach out to Buggies Unlimited for a great experience today.