| Item | Part No. | Part Name | Qty | Serial No. |
| 273-32-12110 | BRAKE ASS'Y | 20003-20296 | ||
| 1 | 273-32-12130 | INNER PAD CARRIER | 20003-@ | |
| 2 | 273-32-12140 | OUTER PAD CARRIER | 20003-@ | |
| 3 | 273-32-12150 | BOLT | 20003-@ | |
| 273-32-02100 | PAD KIT | 20003-20296 | ||
| 4 | 273-32-12160 | PLATE (KIT) | 20003-@ | |
| 5 | 273-32-12170 | WASHER (KIT) | 20003-@ | |
| 6 | 273-32-12180 | PAD ASS'Y,(A) (KIT) | 20003-20296 | |
| 7 | 273-32-12190 | PAD ASS'Y,(B) (KIT) | 20003-20296 | |
| 8 | 273-32-12210 | NUT (KIT) | 20003-20296 | |
| 9 | 273-32-12220 | WASHER,LOCK (KIT) | 20003-20296 | |
| 10 | 273-32-12230 | LEVER ASS'Y | 20003-20296 | |
| 11 | 273-32-12240 | BOLT | 20003-@ | |
| 12 | 273-32-12250 | TRUNNION | 20003-20296 | |
| 13 | 273-32-12260 | NUT | 20003-@ | |
| 14 | 273-32-12270 | SEAT,PIVOT | 20003-@ | |
| 15 | 273-32-12280 | PIN,HINGE | 20003-@ | |
| 16 | 273-32-12290 | PIN,SPLIT | 20003-@ | |
| 17 | 273-32-12310 | SPRING,RETURN | 20003-20296 | |
| 18 | 273-32-12320 | PIN,ANCHOR | 20003-@ | |
| 19 | 273-32-12330 | PIN,SUPPORT | 20003-@ | |
| 20 | 273-32-12120 | BRACKET | 20003-@ | |
| 21 | 01010-51240 | BOLT | 20003-@ | |
| 22 | 01643-31232 | WASHER | 20003-@ |