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Complete a 30-minute flush in seconds

Flush Port Quick Connects

Automate Your Flushing

4-outlet flushmaster system
flush port quick connect for outboard  flushing

flushmaster: automated flushing system

Flushmaster's Automated Flushing System, featuring the Flushmaster and Flush Port Quick Connects, delivers effortless marine engine maintenance. The automated Flushmaster, paired with Quick Connects, provides a user-friendly and integrated solution, ensuring optimal engine performance and longevity. Simply your life with Seamule’s flushing outdoor motors today!

flush your motors without flushing your time

What the experts are saying

Welcome to Seamule

Our commitment is to simplify your life on the water. We offer innovative products tagged with our promise of "Convenient Solutions" that are designed to make your boat days, beach outings, and fishing adventures effortless. 

Our range of boating carts are the best in the market, each offering ultimate convenience. From beach days to wade fishing to hanging out in the pool, our carts' versatile design can adapt anywhere so you can keep your things close by.

Seamule's expertise goes beyond carts with products like the revolutionary Flushmaster, an automated outboard flushing system that transforms routine motor maintenance. Experience the ultimate convenience and future of outboard flushing by pairing Flushmaster with our Flush Port Quick Connects. We aim to provide you with high-quality, time-saving solutions so that you can focus on creating lasting memories by the water. Come and explore Seamule, where convenience meets excellence!

Featured Products


Experience the future of outboard maintenance with Flushmaster, the out-of-boat solution for automated outboard flushing. Its durable design makes it weather and water-resistant. Using Flushmaster after every boating adventure helps extend the life of your outboard motor. Choose your setup, automate your outboard motor maintenance, and protect your investment with Seamule today!

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Quick Connects

Seamule's Flush Port Quick Connects redefine boat motor maintenance, offering a permanent and efficient solution for outboard flushing. These innovative quick connects seamlessly pair with Flushmaster, creating the ultimate automated system for flushing your outboards. Elevate your routine with the convenience and precision of Flush Port Quick Connects — the essential component for optimal outboard maintenance.

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Free domestic shipping

Top Customer Support

30-Day performance guarantee

beach cart with chair holder

World's best carts

Seamule's carts are taking the world by storm with their unmatched versatility, high-quality construction, and innovative design. Whether it's the Floating Cart or the Beach Cart, our carts combine durability, functionality, and adaptability to make every water-related activity a seamless and enjoyable experience.


At Seamule, we are dedicated to providing top-quality products that enhance your boating experience. Here's why people choose us for all their boating needs:

  • Unbeatable Durability: Our products are built to withstand the toughest maritime conditions.
  • Innovative Designs: Seamule offers cutting-edge solutions that make boating more enjoyable and efficient.
  • Exceptional Customer Service: Count on us for top-notch support and assistance every step of the way.
  • Time-Saving Solutions: Our products are expertly designed to streamline your boating experience, saving you valuable time and effort.
  • Seamless Boating Adventures: Seamule's products enhance the quality and enjoyment of your boating adventures.

What People Are Saying

"Using the Flushmaster has truly simplified the flushing process. Connect, start, and I am free to do anything besides waiting to switch over and turn off."

Kevin Carlan - President of Mastry Engine Center

"My boat has to bow in. I use Flushmaster on the end of my hose and flush the engines as I pick up loose stuff and unload the boat. It's done, and I'm ready to wash down."

Bill Herlong - Owner of Herlong Yacht Service

"Seamule has revolutionized how we wade fish. Sneak up on shallow water fish, easy to carry, easy to stow, customize you're mule to fit you're gear needs. Get ya a Seamule and change the way you wade fish."

Justin & Kristen Greenhill

"I received my Flushmaster yesterday and thanks to the simple instructions, I had it set up and working in about 30 minutes.

In 30 minutes, the flush out was complete, and the unit turned itself off, allowing me to finish cleaning the windshield on my boat.

This Flushmaster is one of the few products I have bought online that works as advertised! The construction is high quality and simple to use. Your customer service is excellent. I would not hesitate to buy everything from you in the future."

Phylyp from Virginia

"The single best boat accessory I have purchased. When I hook up the Flushmaster hoses, I know I have had a great, safe day on the water!"

Neal from Jacksonville

Blog posts

Simplify Your Outboard Motor Maintenance With Seamule's Flush Port Quick Connects

Simplify Your Outboard Motor Maintenance With Seamule's Flush Port Quick Connects

Keeping your outboard motor in peak condition is essential for an enjoyable boating experience. Seamule's Flush Port Quick Connects are the perfect solution for making engine maintenance a breeze. ...

Sail Smoothly With Seamule's Flushmaster: The Ultimate Solution for Outboard Motor Maintenance

Sail Smoothly With Seamule's Flushmaster: The Ultimate Solution for Outboard Motor Maintenance

Owning a boat promises unforgettable adventures, but it also comes with the responsibility of proper maintenance. Seamule's Flushmaster is here to revolutionize the way you care for your outboard m...

How To Flush Your Outboard Motors Like a Pro

How To Flush Your Outboard Motors Like a Pro

Most boat owners know that they’re supposed to flush their outboard motors regularly, but many don’t know how, and even fewer know how to do it properly. If you’re one of them, don’t worry – Seamul...