| QSC8.3 Cummins engine common overhaul kits | ||||
| SR | Description | Part Number | Quantity | Remark |
| 1 | piston | 3973265 | 6 | |
| 2 | piston ring set | 4089644 | 6 | |
| 3 | cylinder liner | 3948095 | 6 | |
| 4 | con rod bearing | 3950661 | 1 | 1set=12pcs |
| 5 | main bearing | 3945917 | 1 | 1set=14pcs |
| 6 | upper gasket kits | |||
| 7 | lower gasket kits | |||
| 8 | valve intake | 3942588 | 12 | |
| 9 | valve exhaust | 3942589 | 12 | |
| 10 | valve stem seal | 3948578 | 24 | |
| 11 | valve spring | 4936076 | 24 | |
| 12 | valve spring retainer | 3944452 | 24 | |
| 13 | valve stem guide | 4934063 | 24 | |
| 14 | valve insert intake | 3940152 | 12 | |
| 15 | valve insert exhaust | 3968074 | 12 | |
| 16 | valve collet | 3900250 | 48 | |
| 17 | con rod bushing | 4944137 | 6 | |
| 18 | camshaft bushing | 3945329 | 7 | |
| 19 | water pump | 3973114 | 1 | |
| 20 | lub oil pump | 3991123 | 1 | as per ESN: 22018397 |
In the previous：QSM11 Cummins engine common overhaul kits
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