| Item | Part No. | Part Name | Qty | Serial No. |
| 565-44-11100 | VALVE ASS'Y,TREADLE | 2052- | ||
| 565-44-11010 | TREADLE ASS'Y | 2052- | ||
| 1 | 565-44-11170 | TREADLE | 2052- | |
| 2 | 565-44-11220 | ROLLER | 2052- | |
| 3 | 565-44-11230 | PIN | 2052- | |
| 4 | 565-44-11240 | PIN | 2052- | |
| 5 | 565-44-11120 | PLATE | 2052- | |
| 6 | 565-44-11130 | PLUNGER | 2052- | |
| 7 | 565-44-11140 | BOOT | 2052- | |
| 8 | 565-44-11190 | PIN | 2052- | |
| 9 | 565-44-11210 | PIN | 2052- | |
| 10 | 565-44-11150 | BOLT | 2052- | |
| 11 | 565-44-11160 | WASHER | 2052- | |
| 12 | 565-44-11180 | BUTTON | 2052- | |
| 565-44-11110 | BASIC ASS'Y | 2052- | ||
| 13 | 565-44-12780 | RETAINER | 2052- | |
| 565-44-12790 | PISTON ASS'Y | 2052- | ||
| 14 | 380-889321-1 | SCREW | 2052- | |
| 15 | 380-172323-1 | WASHER | 2052- | |
| 16 | 380-889319-1 | SEAT | 2052- | |
| 17 | 380-172321-1 | SPRING | 2052- | |
| 18 | 380-889317-1 | PISTON | 2052- | |
| 19 | 565-44-12930 | O-RING | 2052- | |
| 20 | 565-44-12990 | SPRING | 2052- | |
| 21 | 565-44-12860 | BODY | 2052- | |
| 565-44-12810 | VALVE ASS'Y (KIT) | 2052- | ||
| 22 | 380-889290-1 | VALVE | 2052- | |
| 23 | 380-889291-1 | RETAINER | 2052- | |
| 24 | 380-889292-1 | SPRING | 2052- | |
| 25 | 380-889293-1 | WASHER | 2052- | |
| 26 | 380-889294-1 | O-RING (KIT) | 2052- | |
| 27 | 380-889295-1 | RETAINER | 2052- | |
| 28 | 380-889296-1 | RING | 2052- | |
| 29 | 565-44-12890 | O-RING (KIT) | 2052- | |
| 30 | 565-44-12870 | RING | 2052- | |
| 31 | 565-44-12880 | PISTON | 2025- | |
| 32 | 565-44-12920 | O-RING (KIT) | 2052- | |
| 33 | 565-44-12910 | PISTON | 2052- | |
| 34 | 565-44-12940 | SPRING | 2052- | |
| 35 | 565-44-12850 | O-RING (KIT) | 2052- | |
| 36 | 565-44-12950 | COVER | 2052- | |
| 37 | 01010-30822 | BOLT | 2052- | |
| 38 | 01602-00825 | WASHER | 2052- | |
| 565-44-12820 | VALVE ASS'Y (KIT) | 2052- | ||
| 39 | 380-889304-1 | VALVE | 2052- | |
| 40 | 380-889305-1 | RETAINER | 2052- | |
| 41 | 380-889306-1 | SPRING | 2052- | |
| 42 | 380-889307-1 | WASHER | 2052- | |
| 43 | 380-889308-1 | O-RING | 2052- | |
| 44 | 380-889310-1 | RING | 2052- | |
| 45 | 380-889309-1 | GUIDE | 2052- | |
| 46 | 565-44-12970 | O-RING (KIT) | 2052- | |
| 565-44-12830 | VALVE ASS'Y,CHECK (KIT) | 2052- | ||
| 47 | 380-889312-1 | SEAT | 2052- | |
| 48 | 380-889313-1 | SHIELD | 2052- | |
| 49 | 565-44-12980 | RING | 2052- |