| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 6523-01-0230 | Komatsu diesel Oxidation Catalyst (KDOC) Assembly | 26606209- | |
| 2 | 6752-11-5310 | Cover | 26606209- | |
| 3 | 6752-11-5330 | Cover | 26606209- | |
| 4 | 01643-31032 | Washer | 26606209- | |
| 5 | 01581-01008 | Nut | 26606209- | |
| 6 | 01020-11040 | Bolt | 26606209- | |
| 7 | 6138-13-4240 | Gasket | 26606209- |