| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 6131-11-8111 | COVER | 18273- | |
| 2 | 6130-11-8811 | GASKET (K1) | 18273- | |
| 3 | 01010-30822 | BOLT | 18273- | |
| 4 | 01602-00825 | WASHER,SPRING | 18273- | |
| 5 | 01640-00816 | WASHER | 18273- | |
| 6 | 6131-11-8911 | BREATHER ASS'Y | 18273- | |
| 7 | 6130-11-8920 | O-RING (K1) | 18273- | |
| 8 | 01010-31025 | BOLT | 18273- | |
| 9 | 01602-01030 | WASHER,SPRING | 18273- | |
| 10 | 01640-01016 | WASHER | 18273- | |
| 11 | 6130-11-8970 | HOSE | 18273- | |
| 12 | 07280-03223 | CLAMP | 18273- | |
| 13 | 6131-11-8950 | PIPE,BREATHER | 18273- | |
| 14 | 6131-11-8980 | CLIP | 18273- | |
| 15 | 01010-31020 | BOLT | 18273- | |
| 16 | 01602-01030 | WASHER,SPRING | 18273- | |
| 17 | 01643-01032 | WASHER | 18273- | |
| 18 | 6131-11-8871 | HOSE,BREATHER | .- | |
| 18 | \0\6131-11-8870 | HOSE,BREATHER | 18273-. | |
| 19 | 07280-02523 | CLAMP | 18273- |