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Sierra Water Pump Kit For Mercury Marine/Yamaha Engine, Sierra Part #18-3425

Item # 900482
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Ships within 7 - 10 days


  • Sierra Part #18-3425

  • Water pump kit

  • For Mercury Marine/Yamaha engine

Product Summary 

Sierra water pump kit for Mercury Marine/Yamaha engine. Kit contains wear plate to pump housing gasket, insert cup, wear plate to pump base gasket, impeller, 2 bolts, and impeller plate. Sierra Part #18-3425.

OEM Part Numbers:
Mercury Marine: 84188M
Mercury Marine: 84188T
Yamaha: 663-W0078-00-00
Yamaha: 663-W0078-A0-00