fan drives for motors for land vehicles; kits for repairing land vehicle fan drive comprising structural parts of fan drives, namely, engine bearings, fan drive bearings in the nature of hubs, mechanical seals, clutch linings, clutch lining friction discs, friction liner sealing compounds, bearing brackets for machines, metal bearing nuts, metal screws, retaining rings being machine parts, metal bearing spacers, fan drives, non-metal o-ring seals and magnet plates for land vehicles