OMC Water Pump Impeller | Sierra 18-3086
OMC Water Pump Impeller | Sierra 18-3086
Sierra
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OMC Water Pump Impeller | Sierra 18-3086
OMC Water Pump Impeller | Sierra 18-3086
Replacement impeller for OMC electric shift & Stringer model stern drives.
- Sierra OMC impeller
- For OMC electric shift and stringer model stern drives
- Impeller only - does not include gasket or o-ring
- Used on OMC 120 hp OMC stern drives from 1965-67 and 1968-84
- Used on OMC 140 hp OMC stern drives from 1973-84
- Used on OMC 150 hp OMC stern drives from 1964-66
- Used on OMC 155 hp OMC stern drives from 1967-72
- Used on OMC 165 hp OMC stern drives from 1972-76
- Used on OMC 170 hp stern drives from 1974
- Replaces OMC/Johnson/Evinrude 379475, 777130
- Replaces Mallory 9-45281

! Compatibility references are provided for informational purposes only and do not constitute a fitment guarantee. Part numbers, application listings, and "replaces" cross-references are based on manufacturer data and are intended as a starting point for identification — not a guarantee of fit for your specific engine, hull, or installation.
Buyer is solely responsible for verifying compatibility with their engine model, serial number, model year, and trim configuration before purchase. If you are unsure whether this part fits your application, contact MacombMarineParts.com before you buy — we're available via text, email, or online chat to help verify compatibility for your specific application.
MacombMarineParts.com is not liable for parts ordered based on assumed fitment. Returns due to buyer-selected incorrect fitment are subject to our standard return and restocking fee policies.