| Item | Part No. | Part Name | Qty | Serial No. |
| 421-03-21102 | RADIATOR ASS'Y | 50001-@ | ||
| (\2\421-03-21101) | RADIATOR ASS'Y | (50001-50109) | ||
| (\2\421-03-21100) | RADIATOR ASS'Y | (50001-50076) | ||
| 1 | 421-03-21710 | CORE ASS'Y | 50001-50109 | |
| 2 | 23S-03-11150 | CAP ASS'Y | 50001-@ | |
| 3 | 421-03-21750 | FRAME | 50001-50109 | |
| 4 | 421-03-11470 | SHEET | 50001-50109 | |
| 5 | 421-03-21150 | CLAMP | 50001-50109 | |
| 6 | 421-03-21160 | SHEET,RUBBER | 50001-50109 | |
| 7 | 424-03-11160 | SHIM¤ 0.6MM | 50001-50109 | |
| 8 | 01010-50820 | BOLT | 50001-50109 | |
| 9 | 01602-20825 | WASHER,SPRING | 50001-50109 | |
| 10 | 421-03-21770 | SHROUD | 50001-50109 | |
| 11 | 421-03-11211 | PACKING | 50001-@ | |
| 12 | 01010-51016 | BOLT | 50001-50109 | |
| 13 | 01643-31032 | WASHER | 50001-@ | |
| 14 | 7861-92-4500 | SENSOR,WATER LEVEL | 50001-@ | |
| 15 | 07002-23634 | O-RING | 50001-@ | |
| 16 | 08053-01510 | CLIP | 50001-@ | |
| 17 | 01435-01016 | BOLT | 50001-@ | |
| 18 | 421-03-23110 | GUARD,FAN | 50001-@ | |
| 19 | 01435-01020 | BOLT | 50001-@ | |
| 20 | 41E-70-15771 | SPACER | 50001-@ | |
| 21 | 01010-51485 | BOLT | 50001-@ | |
| 22 | 01643-31445 | WASHER | 50001-@ | |
| 23 | 421-03-23150 | STAY | 50001-@ | |
| 24 | 01435-01235 | BOLT | 50001-@ | |
| 25 | 421-03-23160 | SHEET | 50001-@ | |
| 26 | 01435-01016 | BOLT | 50001-@ | |
| 27 | 421-03-23170 | PLATE | 50001-@ | |
| 28 | 01435-01016 | BOLT | 50001-@ | |
| 29 | 421-03-23180 | PLATE | 50001-@ | |
| 30 | 01435-01016 | BOLT | 50001-@ | |
| 31 | 421-03-23190 | SEAL | 50001-@ | |
| 32 | 421-03-23210 | SEAL | 50001-@ | |
| 33 | 421-03-23220 | SEAL | 50001-@ | |
| 34 | 421-03-23230 | SEAL | 50001-@ |