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Sierra 18-4576 Outer Wear Plate for Yamaha Outboard Water Pump

Manufacturer

Picture for manufacturer Sierra

Part Number

18-4576
6 reviews
Sale Price

$8.80

1 left at this price

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Usually delivered within 2 days

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Product Details

The Sierra 18-4576 Outer Wear Plate is a precision-replacement water pump component designed as a direct aftermarket substitute for Yamaha outboard engines. This plate sits at the outer face of the water pump cartridge assembly, forming a critical sealing surface that ensures consistent coolant flow and protects internal impeller components from premature wear.

Key Features:

  • Direct replacement for Yamaha OEM part numbers 6FM-44323-00-00 and 6FM-44323-01-00
  • Engineered to meet or exceed original equipment specifications for reliable, long-lasting performance
  • Designed as a component within the water pump cartridge kit (Sierra 18-4527) for the Yamaha F25C outboard
  • Manufactured by Sierra International, a trusted name in marine aftermarket parts

This outer wear plate is an essential part during water pump service intervals or when rebuilding the cooling system on applicable Yamaha outboard motors. Replacing worn plates at each impeller service helps maintain proper pump efficiency and prevents overheating.

OEM Cross References:

  • Yamaha: 6FM-44323-00-00
  • Yamaha: 6FM-44323-01-00

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so far so good!

Original Comment: "Purchased before. Today went well. Had some shipping issues in the past. Everybody makes mistakes, so I'm giving it a second go." This purchase went well. The shipping was extremely quick and the product arrived as I expected it to. My clutch kit was packaged in the manufactures box, however it was wrapped in brown paper so it did not have any evidence of what the box actually was. I really liked this, very good practice. Thank you for the best price, by far, that I found while still providing a speedy and reliable purchase.

so far so good we'll see how shipping goes ordered 2nd day air so if i get it by wed ill be happy if not false promises

website easy and products quick to find at good pricing.

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