| Item | Part No. | Part Name | Qty | Serial No. |
| 20G-68-11131 | BRAKE VALVE ASS'Y | 3501- | ||
| 20G-68-18250 | TREADLE ASS'Y | 3501- | ||
| 1 | \6\ | TREADLE | 3501- | |
| 2 | 20G-68-19210 | ROLLER | 3501- | |
| 3 | 20G-68-19181 | PIN | 3501- | |
| 4 | 20G-68-19190 | PIN,COTTER | 3501- | |
| 5 | \6\ | PIN,COTTER | 3501- | |
| 6 | \6\ | PIPE | 3501- | |
| 7 | 20G-68-19130 | PLATE | 3501- | |
| 8 | 20G-68-19141 | PLUNGER | 3501- | |
| 9 | \6\ | BOOT,PLUNGER (KIT) | 3501- | |
| 10 | 20G-68-19170 | COVER | 3501- | |
| 11 | \6\ | BOLT AND WASHER | 3501- | |
| 20G-68-19100 | BASIC ASS'Y | 3501- | ||
| 12 | \6\ | BODY | 3501- | |
| 13 | \6\ | FILTER,VENT (KIT) | 3501- | |
| 20G-68-18100 | VALVE ASS'Y | 3501- | ||
| 14 | \6\ | RETAINER | 3501- | |
| 15 | \6\ | SPRING,VALVE (KIT) | 3501- | |
| 16 | 20G-68-18120 | SPRING | 3501- | |
| 17 | \6\ | VALVE | 3501- | |
| 18 | \6\ | O-RING (KIT) | 3501- | |
| 19 | \6\ | SEAT,EX (KIT) | 3501- | |
| 20 | \6\ | O-RING (KIT) | 3501- | |
| 21 | \6\ | DIAPHRAGM (KIT) | 3501- | |
| 22 | \6\ | WASHER | 3501- | |
| 23 | 20G-68-18170 | SCREW AND WASHER | 3501- | |
| 24 | \6\ | WASHER | 3501- | |
| 25 | 20G-68-18180 | RING,SNAP | 3501- | |
| 26 | \6\ | SPRING (KIT) | 3501- | |
| 20G-68-19120 | PISTON ASS'Y | 3501- | ||
| 27 | \6\ | PISTON | 3501- | |
| 28 | 20G-68-18210 | SCREW | 3501- | |
| 29 | \6\ | WASHER | 3501- | |
| 30 | \6\ | SEAT,SPRING | 3501- | |
| 31 | \6\ | RUBBER (KIT) | 3501- | |
| 32 | \6\ | O-RING (KIT) | 3501- | |
| 33 | \6\ | O-RING | 3501- | |
| 34 | \6\ | SCREW | 3501- | |
| SERVICE KIT | ||||
| 35 | 20G-68-18240 | REPAIR KIT,BRAKE VALVE | 3501- | |
| \6\ | BOOT,PLUNGER | 3501- | ||
| \6\ | FILTER,VENT | 3501- | ||
| \6\ | SPRING,VALVE | 3501- | ||
| \6\ | VALVE | 3501- | ||
| \6\ | O-RING | 3501- | ||
| \6\ | O-RING | 3501- | ||
| \6\ | DIAPHRAGM | 3501- | ||
| \6\ | SPRING | 3501- | ||
| \6\ | RUBBER | 3501- | ||
| \6\ | O-RING | 3501- |