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The Sierra 18-4567 is a replacement water pump housing engineered for Yamaha F4 and F6 outboard engines. Designed as a direct OEM-equivalent component, this housing serves as the structural enclosure for the water pump impeller, maintaining proper coolant flow through the engine's cooling system to prevent overheating and protect against costly engine damage.
Sierra is a trusted name in aftermarket marine parts, with products engineered to meet or exceed OEM specifications and built to withstand the demands of the harsh marine environment. The 18-4567 housing is also included as a component in the Sierra 18-3473 Yamaha Water Pump Repair Kit, making it a well-validated, quality-tested part within Sierra's marine cooling lineup.
Key Features:
Whether restoring a worn water pump assembly or replacing a damaged housing, the Sierra 18-4567 delivers reliable OEM-grade performance at an aftermarket value.
the shopping cart was a little annoying
Troy L
Great !
Jasmine g
very easy
Manjoe V
Could have been packed better. Packages inside box pretty torn up.
Douglas Moody
So far. So good
Kelley D
very good
david wade
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