Mercury / Mercruiser Impeller | Sierra 18-3056
Replacement water pump impeller for many Mercury/Mariner outboards & Mercruiser Alpha I Gen II stern drives.
Mercury / Mercruiser Impeller | Sierra 18-3056
- Sierra Mercury impeller
- For Mercruiser Alpha 1 Gen II units from s/n D494569 and above
- Impeller only - does not include gasket or o-ring
- Replaces Mercury 47-43026-2, 47-43026T2
- Replaces Mallory 9-45307
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