The ZF WG98 Transmission Oil Pressure Pump is used on various JLG telehandlers with ZF WG98 transmissions. The o-ring between the oil pump andthe transmission is included. All other seals are sold separately. For use on models: G6-42A, G9-43A, G10-43A, G10-55A, G12-55A, G15-44A, 642, 742, 943, 1043, 1055, 1255. Please verify the proper install and serial number range for your machine.