| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 453-665 | O-RING (KIT) | 19320- | |
| 2 | 451-390 | CLAMP | 19320- | |
| 451-862 | HEAD COVER ASS'Y | 19320- | ||
| 3 | COVER,HEAD | 19320- | ||
| 4 | 451-220 | CAP | 19320- | |
| 5 | 451-855 | COVER | 19320- | |
| 6 | 450-081 | BAFFLE | 19320- | |
| 7 | 450-934 | RETAINER | 19320- | |
| 8 | 454-035 | PACKING (KIT) | 19320- | |
| 9 | 453-670 | O-RING (KIT) | 19320- | |
| 10 | 453-682 | O-RING (KIT) | 19320- | |
| 11 | 456-769 | BOLT | 19320- | |
| 12 | 450-773 | KNOB | 19320- | |
| 13 | 457-358 | HOSEä 900MM,BREATHER | 19320- |
