| Item | Part No. | Part Name | Qty | Serial No. |
| 135-21-00102 | STEERING CASE ASS'Y | 9001- | ||
| \0\135-21-00101 | STEERING CASE ASS'Y | 6504-9000 | ||
| 135-21-00100 | STEERING CASE ASS'Y | 6501-6503 | ||
| 1 | 135-21-31102 | CASE AND FRAME | 9001- | |
| 1 | \0\135-21-31101 | CASE AND FRAME | 6504-9000 | |
| 1 | 135-21-31100 | CASE AND FRAME | 6501-6503 | |
| 2 | 07049-02430 | PLUG | 6501- | |
| 3 | 135-21-31240 | RETAINER | 6501- | |
| 4 | 135-21-31220 | RETAINER | 6501- | |
| 5 | 04020-00616 | PIN | 6501- | |
| 6 | 01019-22000 | BOLT | 6501- | |
| 7 | 01643-32060 | WASHER | 6501- | |
| 8 | 01010-30816 | BOLT | 6501- | |
| 9 | 130-21-12330 | LOCK | 6501- | |
| 10 | 130-21-12322 | LOCK | 6501- | |
| 11 | 135-21-31211 | FILLER | 6501- | |
| 11 | (\2\135-21-31210) | FILLER | (6501-6674) | |
| 12 | 01010-31020 | BOLT | 6501- | |
| 13 | 01602-01030 | WASHER,SPRING | 6501- | |
| 14 | 07044-13620 | PLUG | 6501- | |
| 15 | 07040-13618 | PLUG | 9001- | |
| 15 | \0\135-27-11151 | PLUG | 6501-9000 | |
| 16 | 07002-03634 | O-RING | 6501- | |
| 17 | 135-21-11232 | GAUGE | 6501- | |
| 18 | 07000-03038 | O-RING | 6501- | |
| 19 | 131-21-41222 | COVER | 6501- | |
| 20 | 07000-05185 | O-RING | 6501- | |
| 21 | 01010-31430 | BOLT | 6501- | |
| 22 | 01602-01442 | WASHER,SPRING | 6501- | |
| 23 | 131-21-41290 | CAP | 6501- | |
| 24 | 01010-32280 | BOLT | 6501- | |
| 25 | 01643-32260 | WASHER | 6501- | |
| 26 | 135-21-31230 | COVER | 6501- | |
| 27 | 01010-31425 | BOLT | 6501- | |
| 28 | 01602-01442 | WASHER,SPRING | 6501- | |
| 29 | 135-21-21240 | PLATE | 6501-9000 | |
| 30 | 01010-32040 | BOLT | 6501-9000 | |
| 31 | 01643-32060 | WASHER | 6501-9000 |