18-7150 – O-Ring 0334913
Replaces OEM 0777736.
Sierra Marine O-ring is equivalent to parts:
- Johnson/Evinrude Outboard – 303598, 331380, 334913
- OMC Stern Drive – 303598
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.