| Item | Part No. | Part Name | Qty | Serial No. |
| 421-35-11400 | VALVE ASSEMBLY, TREADLE | |||
| 1 | (NSS) | BODY, UPPER | ||
| 566-35-00130 | VALVE ASSEMBLY, UPPER | |||
| 2 | 238-44-12130 | VALVE, UPPER | ||
| 3 | 238-44-12140 | RETAINER | ||
| 4 | (NSS) | SPRING | ||
| 5 | 238-44-12160 | RETAINER | ||
| 6 | 238-44-12170 | O-RING | ||
| 7 | 238-44-12180 | WASHER, SPECIAL | ||
| 8 | 238-44-12190 | RING, RETAINER | ||
| 9 | 238-44-12210 | O-RING | ||
| 10 | 565-44-12870 | RING, RETAINING | ||
| 11 | 238-44-12220 | SPRING | ||
| 12 | 238-44-12230 | PISTON, RELAY | ||
| 13 | 238-44-12240 | O-RING | ||
| 14 | 238-44-12250 | O-RING | ||
| 15 | 238-44-12260 | SPRING, RETURN | ||
| 566-35-00140 | STEM ASSEMBLY | |||
| 16 | 238-44-12270 | STEM | ||
| 17 | 238-44-12280 | SPRING, INNER | ||
| 18 | 238-44-12290 | SPRING, OUTER | ||
| 19 | 238-44-12310 | SLEEVE | ||
| 20 | 238-44-12320 | WASHER | ||
| 21 | 238-44-12330 | PISTON, UPPER | ||
| 22 | 238-44-12340 | SPRING, UPPER | ||
| 23 | 238-44-12350 | SEAT, RUBBER SPRING | ||
| 24 | 01580-10605 | NUT | ||
| 25 | 01602-20619 | WASHER, SPRING | ||
| 26 | 01643-30623 | WASHER | ||
| 27 | 238-44-12360 | O-RING | ||
| 28 | 421-35-14410 | BODY, LOWER | ||
| 421-35-15990 | VALVE ASSEMBLY, LOWER | |||
| 29 | 238-44-12380 | VALVE, LOWER | ||
| 30 | 238-44-12390 | RETAINER | ||
| 31 | 421-35-14420 | SPRING | ||
| 32 | 238-44-12420 | RETAINER | ||
| 33 | 238-44-12430 | O-RING | ||
| 34 | 238-44-12440 | WASHER, SPECIAL | ||
| 35 | 238-44-12450 | RING, RETAINING | ||
| 36 | 238-44-12460 | O-RING | ||
| 37 | 238-44-12470 | COVER, EXHAUST | ||
| 38 | 238-44-12480 | VALVE, EXHAUST | ||
| 39 | 01220-40510 | SCREW | ||
| 40 | 01602-20513 | WASHER, SPRING | ||
| 41 | 238-44-12490 | O-RING | ||
| 42 | 01010-80622 | BOLT | ||
| 43 | 01602-20619 | WASHER, SPRING | ||
| 44 | 421-35-15190 | PLATE, ASSEMBLY | ||
| 45 | 421-35-15270 | PLUNGER | ||
| 46 | 238-44-12530 | BOOT | ||
| 47 | 421-35-15290 | PEDAL, TREADLE | ||
| 48 | 238-44-12550 | BOOT | ||
| 49 | 238-44-12590 | PIPE | ||
| 50 | 238-44-12560 | PIN | ||
| 51 | 238-44-12570 | PIN | ||
| 52 | 238-44-12580 | ROLLER | ||
| 53 | 238-44-12610 | PIN, COTTER | ||
| 54 | 01252-30820 | BOLT | ||
| 55 | 01580-10806 | NUT | ||
| 56 | 01010-80822 | BOLT | ||
| 57 | 01602-20825 | WASHER, SPRING | ||
| 238-44-05030 | SERVICE KIT, TREADLE VALVE | |||
| 421-35-05110 | SERVICE KIT, TREADLE VALVE SPRINGS | |||
| F1 - INCLUDED IN SERVICE KIT 238-44-05030. | ||||
| F2 - INCLUDED IN SERVICE KIT 421-35-05110. | ||||
