Top 10 Outboard Motor Flusher – Boat Engine Motor Flushers

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Black, SEACHOICE 18301 ProFlo Universal Boat Round Motor Flusher, Pack of 1

SEACHOICE #ad - Extend the life of your engine by flushing away salt, silt and sand after every use. Connects to a standard garden hose. Suitable for use with most outboards and I/Os with side water inlets. Universal design fits a wide variety of engines. Flexible rubber cups.
ManufacturerSeachoice #ad
Height13.5 Inches
Length5.25 Inches
Weight0.3 Pounds
Width3.25 Inches
Part Number50-18301

2. SeaSense


SeaSense Dual Flow Motor Flusher

SeaSense #ad - Extend your engine life. Easy to Use. This product is manufactured in china. Ready to use. For engines With Side Water Inlets. For engines With Side Water Inlets. Great for larger motors 50 HP & Up. Easy to Use. Great for larger motors 50 HP & Up. No tools Required. Extend your Engine Life. No tools Required. Extend your Engine Life.
BrandSeaSense #ad
Manufacturer3M #ad
Height3.25 Inches
Length18.5 Inches
Weight0.3 Pounds
Width6 Inches
Part Number50073750
WarrantyOne Year Warranty

3. Camco


Flushes Contaminates Out of Your Boat Engine | Dual Input Design | Connects to Standard Water Hoses |Great for Winterization, 50141, Camco Boat Dual Water Feed Motor Flusher

Camco #ad - Flushes contaminates out of the engine. Connects to any standard garden hose. Compatible with most outboards and sterndrives. Dual input design enables better flow through the engine. Great for boat winterization.
BrandCamco #ad
ManufacturerCamco #ad
Weight1.34 Pounds
Part Number50141

4. Shoreline Marine


Shoreline Marine Motor Flusher Dual Flow

Shoreline Marine #ad - Use to test run your motor before heading to the water. Connects to standard garden hose. Requires no tools for installation or removal. Works on most outboards and inboards I/O’s.
BrandShoreline Marine #ad
ManufacturerBig Game International #ad
Height1 Inches
Length18.1 Inches
Weight1 Pounds
Width5.4 Inches
Part NumberSL52207

5. Five Oceans


Five Oceans Universal Outboard Motor Flusher Dual Flow Rectangular Cups with Adapter FO-4241

Five Oceans #ad - Clamp over water intake then flush outboard with a garden hose. Dimensions - rectangular muffs: 5 x 3-1/2 inches 127mm x 89mm. Flush your engine after every trip with this easy to use motor flusher, it also comes with Hose Adapter. Universal flusher compatible with Outboards Sterndrives. Extend your outboard engine’s life by regularly flushing out salt, silt and grime. The dual flow Technology provides maximum water flow into both intakes. Best use for engine flushing winterizing.
BrandFive Oceans #ad
ManufacturerFive Oceans #ad
Height50 Centimeters
Length100 Centimeters
Weight1.5 Pounds
Width100 Centimeters
Part Numberunknown

6. attwood


Round with Plastic Body, One Size, attwood Attwood 9372-2 Universal Motor Flusher, Attach to Garden Hose, Flushes Engine Cooling System

attwood #ad - Prevents clogging and corrosion. Flushes away materials such as salt, sand, silt, and alkali. Round with a reinforced polypropylene body. Quickly and easily flushes engine’s cooling system. Attach garden hose and the molded cups deliver fresh water to flush cooling system through the side intakes on lower unit. Self-adjusting clamping yoke fits on most domestic or imported inboard/outboards and outboards.
Brandattwood #ad
ManufacturerAttwood #ad
Height8 Inches
Length12.5 Inches
Weight0.4 Pounds
Width6.2 Inches
Part Number93722

7. Redneck Convent


Redneck Convent Dual Water Feed Boat Motor Flusher Rectangular Cup Muffs with Hose Fittings Flush Kit – Marine Outboard Engine Flushing

Redneck Convent #ad - Easy installation: requires no tools for installation or removal; simply slide the flusher muff cups over the top of the water intake slots on your boat and connect your garden hose to one of the included quick connect fittings to run motor out of the water or use to winterize motor; Never turn water supply to full force or damage to drive may occur.

Contents: package includes 1 dual feed flusher and 2 quick connect style hose fittings that easily attach to your standard garden hose hose not included. Fits your boat: compatible with most johnson/evinrude, and tohatsu outdrives; as long as your boat includes side water inlet ports, honda, chrysler, mercury, Force, Suzuki, nissan, yamaha, this flusher is for you; Rotate muff ears to fit and seal over the water pick-ups on the lower unit cups swivel to be positioned horizontally or vertically for a multitude of ways to put it on. Ultimate dual feed flusher: use the redneck convent dual water feed boat motor flusher rectangular cup Muffs with Hose Fittings Flush Kit – Marine Outboard Engine Flushing to obliterate salt and mineral build up along with other contaminants from your outboard boat engine’s lower unit cooling system when hooked up to a garden hose; Effective way to flush engine with fresh water to prevent clogging and corrosion and allow for engine adjustments.

No leakage: inferior round cups do not always fit correctly over intake ports, but these rectangular cups are easy to put on, clamp very tightly, and provide maximum water flow in both intakes while allowing for zero leakage once you start the engine; Cup dimensions 5 inches x 3.25 inches and 1. 25 inches deep 12. 7cm x 8.
BrandRedneck Convent #ad
ManufacturerRedneck Convent #ad
Height3.2 Inches
Length18.65 Inches
Weight1.4 Pounds
Width5.9 Inches
Part Number0974

8. West Marine


West Marine Dual-Feed Professional Outboard Engine Flusher

West Marine #ad - Can be used with inline mixers to deliver salt removal products for a more thorough flushing. Compatibility - Outboards, Sterndrives. Rectangular cups deliver freshwater from a garden hose and are held in place by a spring clamp. Removes corrosive saltwater and silt from outboard and inboard/outboard engine cooling systems. Allows routine maintenance or tune-ups to be performed on dry land.
BrandWest Marine #ad
ManufacturerWest Marine #ad



SEACHOICE 18311 ProFlo Universal Boat Dual Feed Motor Flusher

SEACHOICE #ad - Flexible rubber cups. Extend the life of your engine by flushing away salt, silt and sand after every use. Connects to a standard garden hose. Includes four stainless steel hose clamps. Universal design fits a wide variety of engines.
ManufacturerSeachoice #ad
Height20 Inches
Length7.5 Inches
Weight0.68 Kilograms
Width3.5 Inches
Part Number50-18311

10. Invincible Marine


Rectangular Rubber, Invincible Marine Large Motor Flusher

Invincible Marine #ad - Designed to fit larger outboards with larger water intake. Flushes your engine after every trip with this easy to use motor flusher. Performance and quality tested. This flusher fits most johnson/evinrude, Yamaha, Suzuki, Chrysler, Mercury, Honda, Nissan, Force, and Tohatsu. The most trusted name in marine accessories and equipment. Made using the highest quality components. Comes with a 1-year warranty. Simply attach to your garden hose, slide over your lower units water intake, and turn on the water.
BrandInvincible Marine #ad
ManufacturerInvincible Marine #ad
Weight0.99 Pounds
Part NumberBR53302