| Item | Part No. | Part Name | Qty | Serial No. |
| 561-40-63302 | STEERING VALVE ASS'Y | 4001- | ||
| 1 | 561-40-63310 | HOUSING | 4001- | |
| 2 | 561-40-63370 | TORSION BAR ASS'Y | 4001- | |
| 3 | 561-40-63410 | ROTOR ASS'Y | 4001- | |
| 4 | 561-40-63420 | CASE | 4001- | |
| 5 | 561-40-63390 | LINK | 4001- | |
| 6 | 566-40-42530 | BALL | 4001- | |
| 7 | 561-40-63320 | SPRING | 4001- | |
| 8 | 561-40-63340 | SCREEN ASS'Y | 4001- | |
| 9 | 561-40-63360 | PLUG KIT | 4001- | |
| 10 | 566-40-42580 | O-RING | 4001- | |
| 11 | 566-40-42590 | SHAFT | 4001- | |
| 12 | 566-40-42620 | RING | 4001- | |
| 13 | 569-40-42630 | SPACER | 4001- | |
| 14 | 566-40-42640 | ROLLER | 4001- | |
| 15 | 566-40-42650 | RING | 4001- | |
| 16 | 566-40-42660 | SHIM | 4001- | |
| 17 | 566-40-42670 | RACE | 4001- | |
| 18 | 566-40-42680 | BEARING | 4001- | |
| 19 | 566-40-42690 | WASHER | 4001- | |
| 20 | 566-40-42710 | WASHER | 4001- | |
| 21 | 566-40-42720 | BALL | 4001- | |
| 22 | 566-40-42730 | SPRING | 4001- | |
| 23 | 566-40-42740 | SPACER | 4001- | |
| 24 | 566-40-42760 | PLATE | 4001- | |
| 25 | 566-40-42780 | MANIFOLD | 4001- | |
| 26 | 566-40-42790 | COMMUTATOR ASS'Y | 4001- | |
| 566-40-00510 | SERVICE KIT | 4001- | ||
| 27 | 566-40-42811 | CASE | 4001- | |
| 28 | 566-40-42822 | SEAL | 4001- | |
| 29 | 566-40-42830 | BOLT | 4001- | |
| 30 | 561-40-00100 | SEAL KIT | 4001- | |
| 31 | 561-40-63470 | SEAL | 4001- | |
| 32 | 566-40-42870 | RING | 4001- | |
| 33 | 566-40-42890 | COVER ASS'Y | 4001- | |
| 34 | 561-40-63430 | BOLT | 4001- | |
| 35 | 561-40-00200 | SEAL KIT | 4001- | |
| 36 | 561-40-63460 | VALVE | 4001- | |
| 37 | 561-40-63440 | O-RING | 4001- |