| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 421-S99-1131 | E.C.S.S. VALVE | | |
| 01011-51225 | BOLT - E.C.S.S. VALVE MOUNTING | | |
| 01643-31232 | WASHER - E.C.S.S. VALVE MOUNTING | | |
| 2 | 421-S99-1390 | BRACKET - E.C.S.S. VALVE MOUNTING | | |
| 01435-01225 | BOLT, BRACKET MOUNTING | | |
| 3 | | PRESSURE SWITCH (SEE PG 01-056) | | |
| 4 | 07230-10522 | UNION | | |
| 5 | 07235-50522 | ELBOW | | |
| 07042-30108 | PLUG, ELBOW | | |
| 6 | 07002-12434 | O-RING | | |
| 7 | 07123-00512 | HOSE - VALVE TO LOW PRESSURE ACCUMULATOR | | |
| 8 | 07123-00510 | HOSE - VALVE TO HIGH PRESSURE ACCUMULATOR | | |
| 9 | 423-S99-2210 | HOSE - VALVE TO TANK RETURN LINE | | |
| 10 | 423-S99-1130 | HOSE - VALVE TO BOOM CYLINDER RETURN HOSE | | |
| 11 | 07123-00506 | HOSE - VALVE TO BOOM CYLINDER LIFT HOSE | | |
| 12 | 423-S99-2120 | BRACKET, ACCUMULATOR | | |
| 13 | 01435-01220 | BOLT, BRACKET MOUNTING | | |
| 14 | 424-S99-1160 | PLATE, ACCUMULATOR BRACKET MOUNTING | | |
| 01435-01225 | BOLT, PLATE MOUNTING | | |
| 01584-01210 | NUT, PLATE MOUNTING | | |
| 15 | 721-07-12240 | ACCUMULATOR, LOW PRESSURE | | |
| 16 | 721-07-12640 | ACCUMULATOR, HIGH PRESSURE | | |
| 17 | 417-S99-2240 | CLIP, ACCUMULATOR MOUNTING | | |
| 18 | 01594-01008 | NUT, ACCUMULATOR MOUNTING | | |
| 19 | 01435-01225 | BOLT, ACCUMULATOR MOUNTING | | |
| 20 | 07296-01210 | HOSE | | |
| 21 | 07000-03038 | O-RING | | |
| 22 | 07371-31255 | FLANGE - SPLIT | | |
| 23 | 07372-21035 | WASHER, FLANGE MOUNTING | | |
| 24 | 01643-51032 | BOLT, FLANGE MOUNTING | | |
| 25 | 423-S99-1260 | ADAPTER | | |
| 26 | 01252-41020 | BOLT, ADAPTER MOUNTING | | |
| 27 | 07373-21200 | SPACER | | |
| 28 | 07000-13035 | O-RING | | |
| 29 | 423-S99-1251 | TUBE | | |
| 30 | 01010-81070 | BOLT | | |
| 31 | 01010-81075 | BOLT | | |
| 32 | 01643-31032 | WASHER | | |
| 33 | 424-S99-1131 | TUBE - TO BOOM CYLINDER LIFT | | |
| 34 | 424-S99-1120 | TUBE - TO BOOM CYLINDER RETURN | | |
| 35 | | VALVE ASSEMBLY, TWO-SPOOL EQUIPMENT CONTROL | | |
| | (SEE FIG. 6201) | | |
| 35 | | VALVE ASSEMBLY, THREE-SPOOL EQUIPMENT CONTROL | | |
| | (SEE FIG. 6201A) | | |
