Top 9 Boat Motor Flusher – Boat Engine Motor Flushers

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

SEACHOICE #ad - 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. Extend the life of your engine by flushing away salt, silt and sand after every use.
ManufacturerSeachoice #ad
Height13.5 Inches
Length5.25 Inches
Weight0.3 Pounds
Width3.25 Inches
Part Number18301
WarrantyNot Applicable

2. Five Oceans


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

Five Oceans #ad - 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. 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. Clamp over water intake then flush outboard with a garden hose. Best use for engine flushing winterizing. Universal flusher compatible with Outboards Sterndrives.
BrandFive Oceans #ad
ManufacturerFive Oceans #ad
Weight1.5 Pounds
Part Numberunknown



SEACHOICE 18311 ProFlo Universal Boat Dual Feed Motor Flusher

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

4. Moeller Marine


Rectangular Cup, Moeller Flushrite Boat Motor Flusher Dual Water Feed, Universal

Moeller Marine #ad - Country of Origin : China. The package height Of The Product Is 3 Inches. The package length of The Product Is 15. 5 inches. The package width of The Package Is 6. 6 inches.
BrandMoeller Marine #ad
ManufacturerMoeller #ad
Height7.75 Inches
Length24.75 Inches
Weight1.17 Pounds
Width13.5 Inches
Part Number099082-00

5. Invincible Marine


Invincible Marine Large Motor Flusher, Rectangular Rubber

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

6. SeaSense


SeaSense Dual Flow Motor Flusher

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

7. attwood


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

attwood #ad - Attach garden hose and the molded cups deliver fresh water to flush cooling system through the side intakes on lower unit. Flushes away materials such as salt, silt, sand, and alkali. Prevents clogging and corrosion. Quickly and easily flushes engine’s cooling system. Round with a reinforced polypropylene body. 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
WarrantyNot Applicable

8. Shoreline Marine


Shoreline Marine Motor Flusher Dual Flow

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

9. Harvard Marine


Sterndrives & Outdrives: with Garden Hose Connector, Boat Marine Dual Flow Both INLETS! Square Motor Flusher Ears for Outboards, I/O's

Harvard Marine #ad - Dual flow design allows water through both sides of the water pickup grills of the drive for More effective Motor Flushing. Flush after each use for long life on Trailerable Boats, High and Drys and Lifts. Hooks up to Standard Garden Hose. Flush sand, sediment, salt, Seaweed and debris from your Outboard or Sterndrive Engine. Works on most outboards, Sterndrives, I/O's, Outdrives and Lower Units. Can be used for winterization! .
BrandHarvard Marine #ad
ManufacturerHarvard Marine #ad
Part NumberHM-DF-MF