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Sierra 18-3446 Water Pump Kit for Mercury Marine Outboard Engines

Manufacturer

Picture for manufacturer Sierra

Part Number

18-3446
10 reviews
Sale Price

$76.34

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

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Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-3446 Water Pump Kit is a complete aftermarket replacement kit designed for Mercury and Mariner 4HP and 4.5HP single-cylinder outboard engines. This comprehensive kit provides everything needed to restore your water pump to optimal performance, eliminating the time and hassle of sourcing individual components.

Key Features:

  • Complete kit includes impeller (18-3039), impeller plate (18-3139), impeller housing, cup seal kits, and impeller key
  • Designed for 1-cylinder outboards with a 0.456-inch I.D. water impeller
  • Replaces Mercury OEM part number 46-70941A3
  • Manufactured to meet or exceed original equipment specifications
  • Compatible with Mercury/Mariner 4HP, 4.5HP, 7.5HP, and 9.8HP outboard engines (1975-1986)

Sierra is a market leader in aftermarket marine engine parts, offering quality components backed by comprehensive warranty coverage. Regular water pump maintenance is essential for reliable engine cooling and trouble-free operation on the water.

Autoplicity has a wide selection of parts and great prices. Fast shipping and great customer service.

Best Price! and quick shipping A++

Easy with amazon checkout!

Easy-peezay

Easy to product and checkout.

Fast Shipping, Great price, Parts were well packed

Easy and quick

Quick experience. Good prices. A little concerned that the order didn't display my exact vehicle for verification of fit purposes.

Fast and easy

thanks

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