| 6L8.9 Cummins engine common overhaul kits | ||||
| SR | Description | Part Number | Quantity | Remark |
| 1 | piston kits | 4987914 | 6 | piston,ring,pin,clip |
| 2 | piston ring set | 4955651 | 6 | |
| 3 | cylinder liner | 3948095 | 6 | |
| 4 | con rod bearing | 3966244+3950661 | 1 | 1set=12pcs |
| 5 | main bearing | 3945917 | 1 | 1set=14pcs |
| 6 | upper gasket kits | 5579029 | 1 | |
| 7 | lower gasket kits | 4089889 | 1 | |
| 8 | valve intake | 5307875 | 12 | |
| 9 | valve exhaust | 4981795 | 12 | |
| 10 | valve stem seal | 5448124 | 24 | |
| 11 | valve spring | 4936076 | 24 | |
| 12 | valve spring retainer | 3944452 | 24 | |
| 13 | valve stem guide | 4934063 | 24 | |
| 14 | valve insert intake | 5300834 | 12 | |
| 15 | valve insert exhaust | 3968074 | 12 | |
| 16 | valve collet | 3900250 | 48 | |
| 17 | con rod bushing | 4944137 | 6 | |
| 18 | camshaft bushing | 5283368 | 7 | |
| 19 | water pump | 3973114 | 1 | |
| 20 | lub oil pump | 4941464 | 1 | as per ESN: 87604743 |
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