| 6BT5.9 Cummins engine common overhaul kits | ||||
| SR | Description | Part Number | Quantity | Remark |
| 1 | piston kits | 4089616 | 6 | piston,ring,pin,clamp |
| 2 | piston ring set | 4089460 | 6 | |
| 3 | cylinder liner | 3904166 | 6 | |
| 4 | con rod bearing | 3969562+4893693 | 1 | 1set=12pcs |
| 5 | main bearing | 3978818+3978820+3978822 | 1 | 1set=14pcs |
| 6 | upper gasket kits | 3804897 | 1 | |
| 7 | lower gasket kits | 3802376 | 1 | |
| 8 | valve intake | 3920867 | 6 | |
| 9 | valve exhaust | 3920868 | 6 | |
| 10 | valve insert | 3904105/3906854 | 12 | |
| 11 | valve spring | 3932453 | 12 | |
| 12 | valve spring retainer | 3957913 | 12 | |
| 13 | valve stem guide | 3906206 | 12 | |
| 14 | valve collet | 3900250 | 24 | |
| 15 | con rod bushing | 4891178 | 6 | |
| 16 | camshaft bushing | 4983253 | 1 | |
| 17 | water pump | 5312296 | 1 | |
| 18 | lub oil pump | 4939587 | 1 | as per ESN: 22166954 |
In the previous：6CT Cummins engine common overhaul kits
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