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SeaMule SM-FM4005 Outboard Flushing System 4 Outlet with Hose Kits

Manufacturer

SeaMule

<h3>About SeaMule</h3><p>Based in Madeira Beach, Florida — the heart of Florida's Gulf Coast boating community — SeaMule is a marine solutions brand built around one guiding philosophy: life on the water should be effortless. From weekend anglers to seasoned offshore captains, SeaMule designs products that eliminate the tedious side of boat ownership so you can spend more time doing what you love.</p><h3>The Flushmaster: Redefining Outboard Engine Care</h3><p>SeaMule's flagship innovation is the <a href="/18624-seamule-engine-flushes-201925">Flushmaster Outboard Engine Flush System</a> — widely recognized as the world's first portable, automated outboard flushing device for single and multi-engine boats. Flushing outboard motors after saltwater use is one of the most critical maintenance habits a boat owner can develop, yet it has traditionally been a time-consuming, hands-on chore. The Flushmaster changes that equation entirely.</p><p>The device handles up to four outboard motors sequentially, flushing each one for a pre-programmed duration before automatically shutting off and blocking the water flow — no babysitting required. Powered by just three AA batteries, it connects easily to any standard freshwater source and cycles through every motor in order, ensuring thorough cleaning without the owner having to stay present.</p><ul><li><strong>IP67 waterproof certified</strong> — built to withstand harsh marine environments, including rain, spray, and accidental submersion</li><li><strong>Compatible with four-stroke outboards</strong> across major brands including Mercury, Yamaha, Suzuki, and Honda</li><li><strong>Available in 2-outlet and 4-outlet configurations</strong> with multiple hose length options to fit a wide range of boat setups</li><li><strong>Auto shut-off</strong> once all motors are flushed, conserving water and freeing up your time</li><li><strong>Included 1-year warranty</strong> for peace of mind</li></ul><h3>The Complete Flush System</h3><p>SeaMule doesn't stop at the Flushmaster controller. The brand also offers Flush Port Quick Connects — purpose-built connectors that permanently replace OEM flush ports on Mercury, Yamaha, Suzuki, and Honda engines. Together, the Flushmaster and Quick Connects form a comprehensive <a href="/18624-seamule-engine-flushes-200369">outboard engine flush solution</a> that makes connecting hoses a one-handed, tool-free process. Additional Flush Hose Kits, a Housing Cradle, Portable Storage Bag, and a PVC Piling Plumbing Kit round out the ecosystem for boaters who want a fully integrated setup.</p><h3>Built for the Water, Designed for Convenience</h3><p>Every SeaMule product is engineered to hold up in the demanding marine environment — UV-resistant, weatherproof, and constructed from materials chosen for long-term durability on the water. The brand's commitment to sustainable, eco-conscious materials reflects an understanding that the boating community depends on healthy waterways. Whether you're docked at a marina, tied up at a piling, or back in the driveway after a long day offshore, SeaMule's solutions are designed to fit naturally into your post-trip routine.</p>

Part Number

SM-FM4005
05/31/2036 8:41 PM
Sale Price

$397.43

4 left at this price

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Usually delivered within 2 days

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Product Details

The SeaMule SM-FM4005 FlushMaster is a portable, marine-grade flushing system designed to automate the post-use flushing process for up to four outboard motors simultaneously. This battery-powered unit eliminates the need for manual flushing, saving time and ensuring proper maintenance for multiple engines.

Key Features:

  • Four outlet configuration allows simultaneous flushing of up to four outboard motors
  • Includes four 5-foot hose kits for easy connection to standard motor flushing ports
  • Battery-powered operation using (3) AA batteries for portable, cordless convenience
  • Marine-grade construction for durability in saltwater and freshwater environments
  • Automated flushing process ensures consistent, thorough engine maintenance
  • Portable design allows easy transport and storage on boats or in garages

Regular flushing with the FlushMaster helps remove salt, sand, and debris from outboard motor cooling systems, extending engine life and preventing corrosion. Ideal for marina operators, fishing charters, or multi-engine boat owners who need an efficient flushing solution.

went good

Quick and easy transaction for great tires for my mini

Great price and quick delivery

Exactly what I was looking for. Hopefully, I get it within the two days that was told.

Great price &amp;amp;amp; great service by chat representative!

I was very satisfied with this purchase experience...and with the price of the item!

Entering CVV was difficult

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