| Item | Part No. | Part Name | Qty | Serial No. |
| 0 | VJ7746 | CRANKCASE ASSEMBLY | | |
| 1 | TG9657 | UNLOADER PISTON ASSEMBLY (1) | | |
| 1 | SR7006 | RING, BACKUP (1) | | |
| 1 | SR7005 | O-RING (1) | | |
| 2 | TH3652 | GUIDE (1) | | |
| 3 | TC7813 | PLUNGER (1) | | |
| 4 | SP9040 | SEAT, SPRING (1) | | |
| 5 | VD7026 | SPRING (1) | | |
| 6 | TC7814 | SADDLE, SPRING (1) | | |
| 7 | VJ7747 | BODY, CRANKCASE (1) | | |
| 8 | | LOCKWASHER - 7/16" (2) | | |
| 9 | | CAPSCREW - 7/16" (2) | | |
| 10 | VJ7749 | COVER, REAR | | |
| 10 | | COVER (2) | | |
| 10 | VJ7741 | BEARING, CRANKCASE | | |
| 11 | VS5762 | O-RING (NO. 146 HI-TEMPERATURE) | | |
| 12 | VS7308 | O-RING | | |
| 13 | VS7309 | RETAINER, O-RING | | |
| 14 | VJ7736 | WASHER, THRUST | | |
| 15 | | CAPSCREW - 7/16" (2) | | |
| 16 | VE1266 | CRANKCASE | | |
| 17 | VE1267 | LOCKNUT | | |
| 18 | VF5249 | KEY | | |
| 19 | VE1268 | ADAPTOR, FLANGE | | |
| NS|25 | RK1388 | NOTE: (1) INCLUDED IN RK1388 UNLOADER KIT. | | |
| NS|26 | | (2) NOT SERVICED SEPARATELY. | | |