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Piston ring kit for Yanmar 1GM10 2GM20 3GM30 RO: 721575-22500 705311-22500

Piston ring kit for Yanmar 1GM10 2GM20 3GM30 RO: 721575-22500 705311-22500

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High-quality marine engine spare parts.

Piston ring kit

Reference to Yanmar: 721575-22500 705311-22500

For 74mm bore engines

Suitable for the following Yanmar engines


  • 1GM10
  • 2GM20 2GM20C 2GM20F 2GM20FC
  • 3GM30 3GM30C 3GM30F 3GM30FC



The references that are listed here are trademarks that apply to the respective trademark owners. The references are used only for a reference purpose. Our product is compatible with these reference numbers. Please note that our product is an aftermarket product (non-OEM), unless otherwise stated.