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Sierra Piston Rings For Crusader/Mercury Marine/OMC Engine, Sierra Part #18-3940

Item # 750742
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Ships within 15 - 20 days


  • Sierra Part #18-3940

  • Piston rings

  • For Crusader/Mercury Marine/OMC engine

Product Summary 

Sierra piston rings for Crusader/Mercury Marine/OMC engine. Sierra Part #18-3940.

OEM Part Numbers:
Crusader: 30184
Mercury Marine: 39-67127
OMC: 328536