18-3927 - Rings 39-813011A12

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Sierra Marine

18-3927 Piston Ring Mercury 39-813011A12

Sierra 18-3927 is ONE PAIR OF RINGS ONLY as shown in the photo. Not the same quantity of rings as the Mercury 39-813011A12.
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Sierra Marine Piston Rings Std (6) 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.