| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM719811-01100 | CYLINDER BLOCK A. | 03598- | |
| 2 | YM27241-120000 | PLUG | 03598- | |
| 3 | YM129795-02411 | BUSHING | 03598- | |
| 4 | YM171051-01921 | PLUG | 03598- | |
| 5 | YM27241-300000 | PLUG | 03598- | |
| 6 | YM124160-01910 | PLUG | 03598- | |
| 7 | YM23871-010000 | PLUG | 03598- | |
| 8 | YM27231-500000 | PLUG | 03598- | |
| 9 | YM23887-120002 | PLUG | 03598- | |
| 10 | YM719810-02800 | MAIN METAL ASS'Y | 03598- | |
| YM119810-02870 | MAIN METAL ASS'Y,0.25MM (US) | 03598- | ||
| 11 | YM719810-02930 | THRUST METAL ASS'Y | 03598- | |
| YM119810-02940 | THRUST METAL ASS'Y,0.25MM (OS) | 03598- | ||
| 12 | YM119620-02020 | BOLT | 03598- | |
| 13 | YM119260-34810 | GUIDE | 03598- | |
| 14 | YM119836-34810 | GUIDE,LEVEL GAUGE | 03598- | |
| 15 | YM24311-240100 | O-RING | 03598- | |
| 16 | YM129135-34800 | GAUGE,LEVEL | 03598- | |
| 17 | YM26106-081002 | BOLT | 03598- | |
| 18 | YM22117-080000 | WASHER | 03598- | |
| 19 | YM22217-080000 | WASHER,SPRING | 03598- | |
| 20 | YM119620-49290 | VALVE,DRAIN | 03598- |