18-3728 - Nut, 11-99298, 11-863332

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Part Number

Sierra Marine

LOCK NUT Replaces: Mercruiser 11-99298, 11-863332
Warranty (PDF)
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Sierra Marine Lock Nut 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.