| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | (273-60-11130) | PUMP ASS'Y,STEERING | 20003-@ | |
| 2 | 07000-12085 | O-RING (K1) | 20003-@ | |
| 3 | 07372-21030 | BOLT | 20003-@ | |
| 4 | 01643-31032 | WASHER | 20003-@ | |
| 5 | 01643-31032 | WASHER | 20003-@ | |
| 6 | (273-51-13120) | PUMP ASS'Y,VIBRATION | 20003-@ | |
| 7 | (273-61-21200) | PUMP ASS'Y | 20003-@ | |
| 8 | 07000-12130 | O-RING (K1) | 20003-@ | |
| 9 | 273-19-11250 | SPACER | 20003-@ | |
| 10 | 01124-51440 | STUD | 20003-@ | |
| 11 | 01580-11411 | NUT | 20003-@ | |
| 12 | 01643-31445 | WASHER | 20003-@ | |
| 13 | 01643-31445 | WASHER | 20003-@ | |
| 14 | 273-19-11180 | COVER | 20003-20020 | |
| 15 | 273-19-11190 | GASKET (K1) | 20003-20020 | |
| 16 | 01010-51025 | BOLT | 20003-@ | |
| 17 | 01643-31032 | WASHER | 20003-@ | |
| 18 | 273-19-11310 | TUBE | 20003-@ | |
| 19 | 238-12-12150 | GASKET (K1) | 20003-@ | |
| 20 | 01010-51030 | BOLT | 20003-@ | |
| 21 | 01643-31032 | WASHER | 20003-@ | |
| 22 | 232-23-11220 | BREATHER | 20003-@ | |
| 23 | 07003-03036 | GASKET (K1) | 20003-@ |