| 4BT3.9 Cummins engine common overhaul kits | ||||
| SR | Description | Part Number | Quantity | Remark |
| 1 | piston kits | 3802100 | 4 | piston,ring,pin,clip |
| 2 | piston ring set | 3802421 | 4 | |
| 3 | cylinder liner | 3904166 | 4 | |
| 4 | con rod bearing | 3939859+4893693 | 1 | 3901170 |
| 5 | main bearing | 3978818+3978820+3978822 | 1 | 5+4+1=1set |
| 6 | upper gasket kits | 3804896 | 1 | optional |
| 7 | lower gasket kits | 3802375 | 1 | |
| 8 | valve intake | 3802355 | 4 | |
| 9 | valve exhaust | 3802356 | 4 | |
| 10 | valve stem seal | 3957912 | 8 | |
| 11 | valve spring | 3932453 | 8 | |
| 12 | valve spring retainer | 3957913 | 8 | |
| 13 | valve stem guide | |||
| 14 | valve collet | 3900250 | 16 | |
| 15 | con rod bushing | 4891178 | 4 | |
| 16 | camshaft bushing | 3940059 | 1 | |
| 17 | water pump | 3285410 | 1 | |
| 18 | lub oil pump | 4939587 | 1 | as per ESN:21753434 |
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