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Piston ring kit for Yanmar 1GM 2GM 3GM RO: 721000-22500 earlier engines

Piston ring kit for Yanmar 1GM 2GM 3GM RO: 721000-22500 earlier engines

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High-quality marine engine spare parts.

Piston ring kit
Reference to Yanmar : 721000-22500



Suitable for the following Yanmar engines



  • 1GM
  • 2GM(F)
  • 3GM(F)
  • 3GMD



Earlier engines. Will not fit later 1GM10, 2GM20, 3GM30.