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Sierra 18-4574 Outer Wear Plate for Yamaha Outboard Water Pump

Manufacturer

Picture for manufacturer Sierra

Part Number

18-4574
7 reviews
Sale Price

$9.81

1 left at this price

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Usually delivered within 2 days

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Product Details

The Sierra 18-4574 Outer Wear Plate is a precision-engineered replacement component for the water pump cooling system on select Yamaha outboard engines. Designed as a direct OEM replacement, this wear plate serves as a protective surface within the water pump assembly, helping maintain proper impeller function and coolant flow to keep the engine running at optimal temperatures.

Key Features:

  • Direct replacement for Yamaha OEM part number 6EG-G4323-00
  • Engineered to meet or exceed OEM fit, form, and function standards
  • Compatible with the Sierra water pump repair kit 18-4532 (without housing)
  • Works in conjunction with Sierra impeller 18-8911, cup insert 18-4547, and water pump gasket 18-99157
  • Manufactured by Sierra International, a trusted name in marine replacement parts

The 18-4574 is an individual outer wear plate sold as a single unit, making it ideal for targeted repairs or as a component replacement during a full water pump service. Regular inspection and replacement of water pump wear plates is essential for maintaining reliable engine cooling and preventing overheating damage.

Best price, shipped free and fast!!

I had been Surfing the Internet & calling various Auto Parts Stores in the area for this particular part and finally I found the part on your web-site @ very reasonable price. I was also able to talk to your tech. rep. on the phone about the compatibility before placing the order ..

Quick and easy, thank you.

Fast / Easy Straightforward

great price

Easy checkout

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