OEM Quicksilver MerCruiser Seawater Pump Shaft Kit – 818366A1
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Description
Description
Quicksilver 818366A1 is a shaft service kit for specified MerCruiser engine-mounted seawater pumps.
Product details
- Manufacturer part number: 818366A1.
- Cataloged in selected 454 MAG Bravo Gen V seawater-pump assemblies.
- Used with the specified pump housing, including housing assembly 818367A1 in the verified diagram.
- Pump bearings, seals, impeller and pulley are separately identified service components.
Fitment and selection
Match the engine serial number and exact pump assembly. This is a seawater-pump shaft kit, not the engine circulating pump or a complete seawater pump assembly.

