| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 6136-11-8150 | COVER,HEAD | 55458-77380 | |
| 2 | 6136-11-8812 | O-RING (K1) | 55458-77380 | |
| 3 | 6136-11-8120 | NUT | 55458-@ | |
| 4 | 6136-11-8130 | WASHER | 55458-@ | |
| 5 | 6136-11-8142 | PACKING (K1) | 55458-@ | |
| 6685-21-7400 | BREATHER ASS'Y | 55458-77380 | ||
| 7 | 6685-21-7410 | BODY | 55458-77380 | |
| 8 | 6685-21-7440 | SCREEN | 55458-77380 | |
| 9 | 6685-21-7460 | BAFFLE | 55458-77380 | |
| 10 | 6685-21-7420 | COVER | 55458-77380 | |
| 11 | 6685-21-7430 | GASKET (K1) | 55458-77380 | |
| 12 | 02010-30422 | BOLT | 55458-77380 | |
| 13 | 02310-00916 | WASHER,SPRING | 55458-77380 | |
| 14 | 02300-00920 | WASHER | 55458-77380 | |
| 15 | 6136-21-7630 | PIPE,BREATHER | 55458-77380 | |
| 16 | 07000-03020 | O-RING (K1) | 55458-77380 | |
| 17 | 02010-70522 | BOLT | 55458-77380 | |
| 18 | 01602-00825 | WASHER,SPRING | 55458-77380 | |
| 19 | 6136-11-8851 | HOSE | 55458-@ | |
| 20 | 07280-02523 | CLAMP | 55458-@ | |
| 21 | 6600-01-5950 | CLIP | 55458-@ |