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SeaMule SM-FM4009 Outboard Flushing System - 4 Outlet with Four 9' Hose Kits

Manufacturer

SeaMule

<h3>About SeaMule</h3><p>Based in Madeira Beach, Florida, SeaMule is a marine accessories brand built around a single, powerful idea: life on the water should be simple. Whether you're docking after a saltwater run, prepping for a fishing trip, or just getting back from a day at the sandbar, SeaMule designs products that eliminate the tedious parts of boating so you can focus on what matters most — enjoying the water.</p><h3>The Flushmaster: Redefining Outboard Engine Maintenance</h3><p>At the heart of SeaMule's lineup is the <strong>Flushmaster</strong>, a marine-grade automated outboard flushing system that has changed the way boaters think about engine care. Flushing outboard motors after saltwater use is one of the most critical — and most commonly skipped — maintenance tasks. Traditional methods are time-consuming and cumbersome, especially for twin- or quad-engine setups. The Flushmaster solves this problem elegantly.</p><p>The device connects to a standard water spigot or garden hose and automatically sequences water through each engine in turn, flushing for a preset amount of time before shutting off completely on its own. No standing by, no remembering to turn the water off, no wrestling with hoses between engines. SeaMule's <a href="/18624-seamule-engine-flushes-200369">Engine Flushes</a> category covers the full range of Flushmaster units, available in 2-outlet and 4-outlet configurations with hose kits ranging from 3 to 12 feet to suit any dock or marina setup.</p><p>Built for the demands of the marine environment, the Flushmaster features a waterproof, saltwater-resistant ABS housing, 316 marine-grade stainless steel internal components, and airtight rubber gaskets — materials chosen specifically to endure the harsh conditions that boats are routinely exposed to. A 1-year warranty backs every unit, reflecting SeaMule's confidence in its engineering.</p><h3>Motor Flushers & Flushing Accessories</h3><p>Beyond the core Flushmaster device, SeaMule has built a comprehensive ecosystem of Motor Flushers and flushing tools. Flush Port Quick Connects for Mercury and Suzuki outboards replace factory flush ports with marine-grade fittings that pair directly with the Flushmaster for a seamless, leak-free connection. The result is a true plug-and-play flushing experience that removes the hassle of attaching and detaching hoses after every outing.</p><h3>Engine Parts & Accessories</h3><p>SeaMule rounds out its product range with a selection of Engine Parts &amp; Accessories designed to complement the Flushmaster system. From the marine-grade starboard Housing Cradle for secure device storage dockside, to portable storage bags and PVC piling plumbing kits for permanent installations, every accessory in the SeaMule lineup is engineered with the same attention to durability and convenience that defines the brand.</p><h3>Why Boaters Trust SeaMule</h3><ul style="list-style:disc"><li><strong>Automated convenience:</strong> Set it and walk away — the Flushmaster handles the entire flush cycle without supervision.</li><li><strong>Marine-grade construction:</strong> Every product is designed to withstand saltwater, UV exposure, and the rigors of regular marine use.</li><li><strong>Broad compatibility:</strong> Flushing solutions for Mercury, Suzuki, and other major outboard brands.</li><li><strong>Complete systems:</strong> SeaMule offers everything from the core flushing device to mounting cradles, quick-connect ports, and extended hose kits.</li></ul><p>For any boater serious about protecting their outboard investment, SeaMule offers a thoughtfully engineered suite of products that make proper maintenance the easiest part of the day.</p>

Part Number

SM-FM4009
09/12/2036 7:16 AM
Sale Price

$398.83

In Stock (5)

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Product Details

The SeaMule SM-FM4009 FlushMaster is a portable, marine-grade flushing system designed to automate the maintenance process for up to four outboard motors simultaneously. This comprehensive kit includes four 9-foot hose assemblies, allowing you to flush multiple engines efficiently and protect them from saltwater corrosion and debris buildup.

Key Features:

  • 4-outlet design flushes up to four outboard motors at once
  • Includes four 9-foot hose kits for extended reach and flexibility
  • Battery-powered operation using (3) AA batteries for portability
  • Marine-grade construction resists corrosion in saltwater environments
  • Automated flushing eliminates manual monitoring during maintenance
  • Portable design for easy storage and transport

Regular flushing is essential for maintaining outboard motor performance and longevity, especially after saltwater use. The FlushMaster simplifies this critical maintenance task by automating the process, ensuring thorough cleaning while freeing you to perform other boat care activities. The battery-powered design means no electrical outlet is required, making it ideal for use at the dock, marina, or in your driveway.

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