Internal engine spare parts

Keep your boat or jet-ski running smoothly with our range of internal engine spare parts. From routine maintenance to full engine rebuilds, we offer components selected for reliability, fit and performance in marine conditions.

Browse parts for key engine assemblies, including:

  • Pistons, rings and pins for restoring compression and power
  • Crankshafts, bearings and connecting rods for smooth, durable operation
  • Gaskets, seals and O-rings to prevent leaks and protect internal components
  • Valvetrain and timing parts for precise, efficient engine timing

Each product listing includes clear specifications to help you match the right part to your marine engine or jet-ski model. If you are planning a full rebuild or a targeted repair, you can combine multiple internal engine spare parts from this category for a complete solution.

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    Gasket set ORBITRADE Volvo Penta B21, B23AQ120B, AQ125A, AQ140A, BB140A, AQ125B, AQ145A, A
    Special Price €17.50 Regular Price €21.50 -19%
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    • 1-4 business days
    Impeller ORBITRADE Yanmar 3JH 4JH 129670-42530 129670-42531 3JH 4JH3JH4E4JH2E4JH3CE4JH3E4J
    Special Price €37.50 Regular Price €46.50 -19%
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    EMP Relay Volvo
    €28.50
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    EMP Thermostat Kit OMC 71°C/160°F
    €41.50
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