| Item | Part No. | Part Name | Qty | Serial No. |
| 232-40-00301 | STEERING GEAR ASS'Y | 4001-4121 | ||
| 1 | 234-40-13510 | BOX | 4001-4121 | |
| 234-40-13610 | BALL NUT ASS'Y | 4001-4121 | ||
| 2 | \6\ | GEAR,WORM | 4001-4121 | |
| 3 | \6\ | NUT,BALL | 4001-4121 | |
| 4 | \6\ | TUBE,BALL | 4001-4121 | |
| 5 | \6\ | CLAMP,TUBE | 4001-4121 | |
| 6 | \6\ | BALL,STEEL | 4001-4121 | |
| 7 | \6\ | SCREW | 4001-4121 | |
| 8 | \6\ | WASHER | 4001-4121 | |
| 9 | 234-40-13650 | SHAFT | 4001-4121 | |
| 10 | 234-40-13660 | BEARING | 4001-4121 | |
| 11 | 234-40-13670 | BEARING | 4001-4121 | |
| 11A | 234-40-13890 | SEAL | 4001-4121 | |
| 12 | 234-40-13760 | SEAL | 4001-4121 | |
| 13 | 234-40-13770 | PIN | 4001-4121 | |
| 14 | 234-40-13680 | SCREW | 4001-4121 | |
| 15 | 234-40-13710 | SHIM | 4001-4121 | |
| 16 | 01583-11408 | NUT | 4001-4121 | |
| 17 | 232-880-7880 | NUT | 4001-4121 | |
| 18 | 234-40-13551 | COVER | 4001-4121 | |
| 19 | 234-40-13720 | PACKING | 4001-4121 | |
| 20 | 234-40-13790 | BOLT | 4001-4121 | |
| 21 | 01602-01236 | WASHER | 4001-4121 | |
| 22 | 234-40-13560 | FILLER | 4001-4121 | |
| 23 | 07042-20312 | PLUG | 4001-4121 | |
| 24 | 01220-20408 | SCREW | 4001-4121 | |
| 25 | 234-40-13640 | BEARING | 4001-4121 | |
| 26 | 234-40-13580 | SHIM | 4001-4121 | |
| 27 | 234-40-13530 | COVER | 4001-4121 | |
| 28 | 01050-61435 | BOLT | 4001-4121 | |
| 29 | 01602-01442 | WASHER | 4001-4121 | |
| 30 | 07040-11409 | PLUG | 4001-4121 | |
| 31 | 234-40-13590 | PACKING | 4001-4121 | |
| 32 | 232-40-33220 | COUPLING | 4001-4121 | |
| 33 | 234-40-13730 | NUT | 4001-4121 | |
| 34 | 232-40-33160 | ROLLER | 4001-4121 | |
| 35 | 232-40-33170 | WEDGE | 4001-4121 | |
| 36 | 232-40-13320 | SPRING | 4001-4121 | |
| 37 | 232-40-33150 | SHAFT | 4001-4121 | |
| 38 | 04065-05520 | RING | 4001-4121 | |
| 39 | 232-40-33180 | SHIM | 4001-4121 | |
| 40 | 232-40-33190 | SHIM | 4001-4121 | |
| 41 | 232-40-33210 | SEAT | 4001-4121 | |
| 42 | 06004-06006 | BEARING | 4001-4121 | |
| 43 | 06000-06006 | BEARING | 4001-4121 | |
| 44 | 04064-03015 | RING | 4001-4121 | |
| 45 | 232-40-33110 | CASE | 4001-4121 | |
| 46 | 232-40-33120 | RING | 4001-4121 | |
| 47 | 232-40-33130 | COVER | 4001-4121 | |
| 48 | 01050-61445 | BOLT | 4001-4121 | |
| 49 | 01602-01442 | WASHER | 4001-4121 | |
| 50 | 232-40-33230 | SEAL | 4001-4121 | |
| 51 | 232-40-33140 | FLANGE | 4001-4121 | |
| 52 | 01582-12722 | NUT | 4001-4121 | |
| 53 | 01602-02783 | WASHER | 4001-4121 | |
| 54 | 01640-22740 | WASHER | 4001-4121 | |
| 54A | 234-40-13880 | BOLT | 4001-4121 | |
| 54B | 01602-01236 | WASHER | 4001-4121 | |
| 55 | 232-40-12290 | JOINT | 4001-@ | |
| 56 | 01010-31025 | BOLT | 4001-@ | |
| 57 | 01602-01030 | WASHER | 4001-@ | |
| 58 | 233-40-13740 | SEAT | 4001-4121 | |
| 59 | 01016-51880 | BOLT | 4001-4121 | |
| 60 | 01580-11815 | NUT | 4001-4121 | |
| 61 | 01010-31650 | BOLT | 4001-4121 | |
| 62 | 01602-01648 | WASHER | 4001-4121 | |
| 63 | 01124-31645 | STUD | 4001-4121 | |
| 64 | 01580-11613 | NUT | 4001-4121 | |
| 65 | 01602-21648 | WASHER | 4001-4121 | |
| 66 | 232-40-13712 | JOINT | 4001-4121 | |
| 67 | 233-40-13723 | SHAFT | 4001-@ | |
| 68 | 232-40-13730 | WASHER | 4001-@ | |
| 69 | 232-40-05080 | SHIM ASS'Y | 4001-@ | |
| \6\ | SHIM¤ 0.5MM | 4001-@ | ||
| \6\ | SHIM¤ 1.0MM | 4001-@ | ||
| \6\ | SHIM¤ 4.0MM | 4001-@ | ||
| 70 | 232-40-13773 | ARM | 4001-@ | |
| 71 | 01593-12716 | NUT | 4001-@ | |
| 72 | 01640-22740 | WASHER | 4001-@ | |
| 73 | 04050-05045 | PIN | 4001-@ | |
| 74 | 232-40-15510 | STUD | 4001-@ | |
| 75 | 01640-22032 | WASHER | 4001-@ | |
| 76 | 01593-12013 | NUT | 4001-@ | |
| 77 | 04050-04030 | PIN | 4001-@ |