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Sea Dog 521550-1 Inboard Motor Flush,1 Pack

4.3 (2) Write Review
Free shipping on orders over $29.99

$31.45

$ 14 .39 $14.39

In Stock

About this item

  • Quickly flush away salt, Sand, minerals, and contaminates from your lower Unit cooling system
  • Fit the rubber cup over the water intake, connect a garden Hose, and extend the aluminum leg sealing cup to the hull
  • No tools required
  • Great for winterizing, tune-ups and other maintenance that requires running an Inboard engine out of the water


Inboard motor flusher quickly flush away salt, sand, minerals and contaminates from your lower unit cooling system extending the engine's life. Easy to use, just fit the rubber cup over the water intake, connect a garden hose and extend the aluminum leg sealing cup to the hull. Fresh water flushes the cooling system, no tools required. Great for winterizing, tune-ups and other maintenance that requires running an inboard engine out of the water.


Snoopy F.
Reviewed in the United States on July 7, 2020
It's a little difficult to use because location of flush fitting is close to trailer frame. It did however full fill the need.
Trevor Henry
Reviewed in Canada on October 11, 2020
Great product and service