| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 6738-31-2111 | PISTON | 21541930- | |
| 2 | 6732-31-2410 | PIN | 21541930- | |
| 3 | 6732-31-2420 | RING,SNAP | 21541930- | |
| 6738-31-2031 | PISTON RING ASS'Y | 21541930- | ||
| 4 | \6\ | RING,TOP | 21541930- | |
| 5 | \6\ | RING,SECOND | 21541930- | |
| 6 | \6\ | RING,OIL | 21541930- | |
| 6732-31-3101 | CONNECTING ROD A. | 21541930- | ||
| 7 | \6\ | ROD | 21541930- | |
| 8 | 6732-31-3131 | BUSHING | 21541930- | |
| 9 | 6732-31-3311 | BOLT | 21541930- | |
| 10 | 6732-31-3410 | METAL | 21541930- | |
| REFER TO FIG. NOS. OF REPAIR PARTS FOR O.S.¤ U.S.¤ AND SERVICE PARTS. |