Description
Water pump (freshwater circulation pump) for marine diesel engines Beta Marine Beta 50 and Nanni N4.50. Direct OEM replacement, suitable for servicing and maintenance of the closed cooling circuit. Standard version for indirect injection (IDI) — check whether your engine is DI or IDI.
Please note: this is the freshwater circulation pump mounted on the engine block — the internal cooling water pump of the closed cooling circuit. This is NOT the separate seawater/impeller pump of the marinization. Check that your marine version retains the original block pump.
✔️ Direct OEM replacement for the original block pump
✔️ Including gasket
✔️ For Beta 50 and N4.50 (indirect injection / IDI)
Technical specifications
- Part: water pump (freshwater circulation pump)
- Pump type: freshwater circulation pump (block pump), not the seawater/impeller pump
- Version: standard, indirect injection (IDI)
- Including gasket
- Delivery: per unit
Suitable for
- Beta Marine: Beta 50
- Nanni: N4.50
OEM for reference
- 15521-73030
- 15521-73033
- 15521-73035
- 15521-73039
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