OVERHAULING KIT FOR DUMP VALVE TO KBI PARTNO 1164108/ 7050024 FOR LHB COACHES OF 07 ITEMS. 1 O Ring A40125/ 6 02 Nos. 2 O Ring B31807 02 Nos. 3 O Ring A40125/ 2 02 Nos. 4 O Ring A91150 02 Nos. 5 O Ring B57679 02 Nos. 6 Strainer C62814 02 Nos. 7 Sealing Ring 62814 02 Nos.