Item 7017072 has must read information.
: THIS CONSULT FACTORY ONLY APPLIES IF ORDERING THIS O-RING PIPE PLUG FOR SWING HUB JLG P/N 1001101062 USED ON MODEL 400S. If your machine is equipped with swing hub JLG p/n 1001101062, Fairfield swing hub s/n F13AA1224US thru F13AA1246US ONLY, please order o-ring pipe plug JLG p/n 7001928 for proper service replacement.