FlushStar engineers flushing hardware trusted by boaters and marine mechanics who know exactly what salt water does to an unprotected cooling system.
What began as a simple direct-connect fitting has grown into the FlushStar flushing system, built to clear salt, sand and mineral buildup from your outboard's full cooling circuit in one push-button cycle. No ear muffs to align. No guesswork about whether the job got done.
Every unit is a 12VDC, Plug n Play system that requires no additional programming, is made in the U.S.A., and works with nothing more than a garden hose. There is no need to run the engine, which means no noise, no emissions and no pollution. It works whether the boat is in or out of the water — making flushing hassle-free, unattended and fast.
From one fitting to a full system.
A direct-connect fitting
FlushStar starts with a simple piece of hardware that lets a boater connect fresh water straight to an outboard, without wrestling a set of ear muffs into place.
Trusted by the people who fix them
Marine mechanics — the ones who tear down corroded powerheads for a living — become the customers who keep coming back.
The Quantum 25
A full automatic flushing system that clears the entire cooling circuit on up to six engines in a single push-button cycle, with diagnostics that prove it ran.
The smarter way to flush is here.
Tell us how many engines you run and we'll spec the right system for your boat.