| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 258-20-25140 | BOSS | 5001-@ | |
| 2 | 257-20-15130 | COUPLING | 5001-@ | |
| 3 | 01252-71240 | BOLT | 5001-@ | |
| 4 | 01252-71240 | BOLT | 5001-@ | |
| 5 | 258-20-35300 | HOUSING | 5001-@ | |
| 6 | 01010-81025 | BOLT | 5001-@ | |
| 7 | 01602-21030 | WASHER,SPRING | 5001-@ | |
| 8 | 01010-81020 | BOLT | 5001-@ | |
| 9 | 01602-21030 | WASHER,SPRING | 5001-@ | |
| 10 | 01010-81025 | BOLT | 5001-@ | |
| 11 | 01602-21030 | WASHER,SPRING | 5001-@ | |
| 12 | 258-80-37100 | OIL PUMP ASS'Y,HST | 5001-@ | |
| 13 | 01010-81235 | BOLT | 5001-@ | |
| 14 | 01602-21236 | WASHER,SPRING | 5001-@ | |
| 15 | 258-30-41100 | OIL PUMP ASS'Y,VIBRATION | 5301-@ | |
| 258-30-31100 | OIL PUMP ASS'Y,VIBRATION | 5001-5300 | ||
| 258-30-21111 | O-RING | 5001-@ | ||
| 16 | 258-20-21250 | BOLT | 5001-@ | |
| 17 | 01602-21030 | WASHER,SPRING | 5001-@ | |
| 18 | 258-20-11210 | CUSHION | 5001-@ | |
| 19 | 267-15-41110 | NUT | 5001-@ | |
| 20 | 01580-11008 | NUT | 5001-@ | |
| 21 | 01602-21030 | WASHER,SPRING | 5001-@ | |
| 22 | (258-20-41500) | ENGINE ASS'Y | 5301-@ | |
| (258-20-31500) | ENGINE ASS'Y | 5001-5300 | ||
| 23 | 258-20-21101 | BRACKET | 5001-@ | |
| 24 | 01010-81025 | BOLT | 5001-@ | |
| 25 | 01602-21030 | WASHER,SPRING | 5001-@ | |
| 26 | 258-20-11210 | CUSHION | 5001-@ | |
| 27 | 267-15-41110 | NUT | 5001-@ |