Parts › Cummins › 903 › Engine
10 engine parts that fit the Cummins 903, with brands, part numbers and cross-references.
Numbers in blue open their full cross-reference page — every interchange number for that part.
| Brand | Part number | Description |
|---|---|---|
| Cummins | 3803513 | intake valve |
| Cummins | 3803520 | exhaust valve |
| Pai | 191952 | PAI 191952 Engine Intake Valve - Cummins 903 Series Engine Ap… |
| Pai | 191958 | PAI 191958 Engine Exhaust Valve - Cummins 903 Series Engine A… |
| Pai | 111111 | PAI 111111 Engine Piston - Cummins 903 Series Application |
| Pai | 161611 | PAI 161611 Engine Cylinder Liner - Cummins 903 Series Engine… |
| Pai | 191996 | PAI 191996 Engine Valve Seat Insert - Cummins 903 Series Engi… |
| Pai | 192008 | PAI 192008 Engine Exhaust Valve Insert - Cummins 903 Series E… |
| Pai | 192026 | PAI 192026 Engine Valve Guide - NH/NT Finished 0.45in ID x 0.… |
| Pai | 505010 | PAI 505010 Engine Piston Ring - Cummins 903 Series Application |
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Fitment is a guide — always confirm the exact part against your vehicle's spec and VIN.