Cummins part numbers starting 203
| 2030101 | Seal, oil (water pump and idler assembly) | Cummins | ||
| 203097 | Sleeve, wear (water pump and idler assembly) | Cummins | ||
| 203100 | Seal, oil (water pump and idler assembly) | Cummins | ||
| 203101 | Seal, oil (water pump and idler assembly) | Cummins | ||
| 203131 | Nut, hex (cylinder head and valves) | Cummins | ||
| 203426 | Pin, spirol (fuel injectors) | Cummins |