Best Seaworks Boat Engine Motor Flushers in 2026

ENGINE PROTECTION: Dual Feed Muff Boat Motor Flusher provides a way to connect Outboard and I/O Sterndrives to a freshwater source and effectively flush out sand, salt water, sediment, seaweed, and silt. It helps extend your outboard engine's life

EASY TO OPERATE: You can connect these Outboard Motor Muffs to a standard garden hose or an optional quick-connect male adapter end and rubber washer

UNIVERSAL COMPATIBILITY: Fits most Outboards outboard engines including Mercury, Yamaha, Evinrude, Mercury, Yamaha, Johnson, Chrysler, Honda, Nissan, and Suzuki as well as others

Semi-universal outboard and stern drive flushing kit makes quick work of protecting your engine and drive from the harmful effects of galvanic corrosion

Essential and easy to use tool for flushing internal parts of engines and drives used in salt or brackish water or where invasive plant species must be flushed before departing a launch ramp area

Easily connects to a fresh water source with a standard garden hose connection

Quickly and easily flushes engine’s cooling system

Flushes away materials such as salt, sand, silt, and alkali

Prevents clogging and corrosion

Moeller

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Protects your outboard by making it easy to quickly flush salt water from the engine

Fits most popular outboard engines from Mercury, Mariner, Yamaha and Suzuki

Snaps on easily and slide valve remains on the engine permanently so it’s always ready for flushing

Durable, reinforced polypropylene for dependable performance

Self-adjusting yoke fits most domestic or imported I/O’s and outboards

Molded cups deliver water exactly where needed to effectively flush system

Seaworks Boat Winterizer flow system flushes, prepares and protects your boat engine for winter storage. Compatible for inboard and outboard engines.

Kit includes: antifreeze tank with on/off valve, T-Connector, shutoff valve, braided hose with fittings.

Fittings designed for uninterrupted antifreeze flow to your engines, cleans impurities and enhances engine performance. Use at regular intervals to improve engine life expectancy.

Fits Most Motors 15 HP And Under

Test Your Motor Before Heading Onto The Water.

Easy Slip-On Design

Seaworks Motor Flusher: Use our flusher for routine maintenance to flush out salt and mineral buildup. Also great for winterizing your engine with antifreeze.

Dual Flow: Our dual flow design allows for higher pressure and better cleaning power. Our motor flusher also comes with an adapter for other sized hoses.

Easy to use: Just slip our flusher muffs over the lower unit intake, connect a garden hose to the standard 5/8 quick-connect valve, and flush your engine.

Deluxe Premium Motor Flusher works great on Outboard and Inboard items

Rectangular cups help create a better seal

For use with Lower Units that have side water inlets

Marine Engine Flushing Mixer: it is simple and convenient to use salt remover solution; It can be used in conjunction with garden hoses and engine flushing devices or nozzles

Desalting Deposits: it can be used to remove salt deposits on glass fiber, metal, vinyl, plastic and painted surfaces, as well as fishing and diving equipment

2 Option Switch: water and soap dual function design can control the water flow or remove the salt solution to the surface to be treated, bring much convenience to your life

[ STRONGER 2023 EDITION ] Our premium boat muffs outboard as well as I/Os are constructed with rubber, flexible water lines and water tight seals to test, cool, winterize, warm and idle your engine before using or as part of a winterizing kit.

UNIVERSAL FIT: Our outboard motor muffs offer rotating ears and a U channel measuring 10.5" to rotate and adapt to almost any outboard motor and Inboard/Outboard I/O engines. Large ear muffs to flush away engine dirt while allowing easy flushing.

DOUBLE SIDED: Increased water supply from two sides offers superior intake compared to old single sided boat motor muffs. The flexible water tight boat muffs measure 3 1/4" by 5" and bend to allow the flusher to snuggly pinch your intakes.

Package length: 34.29 cm

Package width: 11.43 cm

Package height: 11.43 cm

Conveniently adjustable from 19" to 30-1/4"

Composed of aluminum and heavy-duty rubber

Great for winterizing

No tools required.

Soft, rubber cup for proper circulation and also prevents scratching.

Telescoping flusher installs in minutes.

Adapter Connects to Hose for Easy and Quick Outboard Motor Flushing

Adapter Connects to Hose for Easy and Quick Outboard Motor Flushing

Flushing Kit includes Outboard Engine Adapter, Spring Loaded Hose Quick Connect, and Quality Seal O-Ring

Fits: Honda F-12X 02-07; R-12X 02-07

Quick Snap detachable model allows for easy flushing of the cooling system, keeping it at peak efficiency

Cleans system of debris and contaminants including saltwater, sand and sediment

Durable, reinforced polypropylene for dependable performance

Self-adjusting yoke fits most domestic or imported I/O’s and outboards

Molded cups deliver water exactly where needed to effectively flush system

Application ---- Suits most outboards & stern drives (which have side water intakes on the lower unit). Overall Height is approx. 360mm/14.2in. Cup Size is approx. 125 x 80mm/4.9 x 3.1in. We only use the highest grade materials, built to strict quality control standards. Every product must take inspected and tested multiple times before the shipment.

Designed with dual feed ---- Boat Motor Flusher is designed with dual feed, which can maximize the water flow at both intakes. Flush the engine with fresh water to remove salt, sand and silt, effectively prevent .

Firm to connect ---- Large rectangle rubber muff provides good intake coverage and reduced leakage. Black coated spring steel frame, sturdy and durable, making it fast and firm to connect.

Increase the performance of your boat by reducing planing time and RPM requirements, letting you get on plane and remain there at lower speeds

Gain fuel efficiency by reducing by getting on plane quicker and plowing through the water less

Mounts directly to the engine's cavitation plate; the sleek black polycarbonate construction matches well with any engine color

Arms:10" Long

Rectangular Muff Length: 5"

This flusher slips over the water inlets on many outboard and stern drive motors

【Compatibility】This outboard flusher has a wide range of applications, and meets or exceeds the original factory specifications, can be directly replaced to meet your various needs. Practical accessory suits most outboards & stern drives (which have side water intakes on the lower unit).

【Main Effect】Designed with dual feed, which can maximize the water flow at both intakes.This outboard flusher helps rinse the outside of the engine with clean water to remove mud, weeds, etc. Rid salt, sand and silt to prevent corrosion, necessary equipment for engine maintenance.

【Professional Tools】This outboard flusher has high accuracy and sensitivity, and can improve the safety of vehicles.Designed to have same form, fit and function as original part,Can directly replace the broken or shabby one.Replacing OEM numbers for reference: JMFLR125.

★Maintance ----- Flush the engine with fresh water to remove salt, sand and silt, effectively prevent corrosion.

★Perfect Replacement ----- Black coated spring steel frame, sturdy and durable, making it fast and firm to connect.Practical accessory suits most outboards & stern drives (which have side water intakes on the lower unit).

★Simple Installation ----- With male fitting, easily connect to a standard hose, just slide cups over the top of the water intake slots, and connect hose to the fitting.

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❥【Fitment Model】The boat engine motor flusher are replacement for most ships.

❥【Material】Motor flusher made of spring steel, rubber, are manufactured to exacting standards to ensure proper functionality and top-notch appearance. Makes your experience on the water safer and more enjoyable.

❥【Function】Motor flusher can helps extend the life of your outboard engine by flushing it regularly with salt, silt and dirt after use. Not only does it clean, dual input design allows enhanced flow through the engine. Great for boat winterization.

EASY INSTALLATION - Requires no tools for installation or removal; Black coated spring steel frame for quick and secure connection. - Size: 30 x 17 x 8 cm

Universal design fits a wide variety of engines - Extend the life of your engine by flushing away salt, silt and sand after every use

With Hose Fittings Flush Kit – Marine Outboard Engine Flushing - Includes quick connect style hose fitting, connects easily to a standard garden hose