✅ Valve stem seal (klepseal) for Beta Marine and Nanni marine diesel engines
The valve stem seal prevents oil from leaking past the valve stem into the combustion chamber. Worn valve seals lead to oil consumption, blue smoke, and reduced engine power — replace them at every overhaul.
Beta Marine Beta 10, Beta 14 and Beta 20 (incl. saildrive versions)
Nanni N2.10, N2.14, N3.21 and Q500 (generator set)
Phasor LP1-3.5 (generator set)
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