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Sierra O-Ring For OMC/Mercury Marine Engine, Sierra Part #18-7172

Item # 747924
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  • Sierra Part #18-7172

  • O-ring

  • For OMC/Mercury Marine engine

Product Summary 

Sierra O-ring for OMC/Mercury Marine engine. Sierra Part #18-7172.

Manufacturer/OEM Part Number:
OMC: 553126
Mercury Marine: 25-31305