Description
This complete overhaul kit is suitable for Nanni N3.21 and N3.75HE marine diesel engines. The kit contains the essential components required for a full engine rebuild, ensuring reliable performance and long service life.
Ideal for professional engine reconditioning or major maintenance.
Includes
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Pistons
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Piston rings
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Cylinder liners (unfinished)
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Main bearings
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Connecting rod bearings
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Thrust washer (axial bearing)
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Intake and exhaust valves
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Full gasket set
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Small end bushings
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Valve seats and valve guides
Why choose this overhaul kit?
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Complete rebuild solution
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High-quality components
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Designed for professional engine overhaul
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Fast delivery
Compatible Engines
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Nanni N3.21
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Nanni N3.75HE
Questions about engine versions or component specifications? Our marine specialists are happy to help.






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