18-3917 - Piston Rings .030 Os (4) 18-3917

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Sierra Marine

18-3917 Piston Ring .030 OS Mercury 39-88392A12

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Sierra Marine Piston Rings .030in Os (4) is equivalent to parts:

Sierra Marine is the market leader for aftermarket marine engine parts. Sierra products cover every major engine brand. Sierra offers a comprehensive product line and an unsurpassed customer satisfaction warranty covering parts and labor.