| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 6156-11-8110 | COVER,HEAD | 313158-320111 | |
| 2 | 6156-11-8810 | GASKET (K1) | 313158-320111 | |
| 3 | 6150-11-8820 | RUBBER (K1) | 313158-@ | |
| 4 | 6150-81-9370 | BOLT | 313158-@ | |
| 5 | 01640-21016 | WASHER | 313158-@ | |
| 6 | 6156-11-8831 | SEAL (K1) | 318137-@ | |
| 6 | \0\6156-11-8830 | SEAL (K1) | 313158-318136 |