18-3325 water Pump Kitreplaces: 387326 Contains 18-7134 O-ring 339543 118-3108 Flywheel KEY 308928 118-3337 Grommet 315837 118-3083 Impeller 377230 118-3343 Impeller Plate 320981 118-2705 Grommet 315748 1.