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Sierra Piston Rings For Mercury Marine/OMC Engine, Sierra Part #18-3944

Item # 750959
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Ships within 7 - 10 days


  • Sierra Part #18-3944

  • Piston rings

  • For Mercury Marine/OMC engine

Product Summary 

Sierra piston rings for Mercury Marine/OMC engine. Sierra Part #18-3944.

OEM Part Numbers:
Mercury Marine: 39-75609
OMC: 370409