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Sierra Piston Rings For Yamaha/Mercury Marine Engine, Sierra Part #18-3977

Item # 748141
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Ships within 7 - 10 days


  • Sierra Part #18-3977

  • Piston rings

  • For Yamaha/Mercury Marine engine

Product Summary 

Sierra piston rings for Yamaha/Mercury Marine engine. Sierra Part #18-3977.

Manufacturer/OEM Part Number:
Yamaha: 682-11610-11-00
Mercury Marine: 39-18939M