18-3421 - Water Pump Base, 46-48748A1

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Part Number

Sierra Marine

18-3421 - WATER PUMP BASE -

Replaces: Mercury #46-48748A1

Warranty (PDF)
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Sierra Marine Water Pump Base is equivalent to parts:

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.