Replacement water pump impeller for many Mercury/Mariner outboards & Mercruiser Alpha I Gen II stern drives.

• 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

If you need the complete impeller KIT - CLICK HERE