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Best Boat Engine Motor Flushers - Buying Guide

Last Updated: 05/27/2024

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Bestselling Boat Engine Motor Flushers on Amazon

  1. SeaSense Dual-Flow Motor Flusher
  2. Seachoice 18331 Adjustable Inboard Engine Flusher with Telescoping Shaft Perfect for Hard-to-Reach...
  3. ISURE MARINE Universal Rectangular Outboard Motor Water Flusher Boat Ear Muff Engine Flusher for Mar...
  4. Camco Boat Dual Water Feed Motor Flusher - Flushes Contaminates Out of Your Boat Engine | Dual Input...
  5. Boat Motor Muffs Outboard Motor Muffs and Inboard I/O Ear Flusher Motor Flush Warmer Parts Hose Adap...
  6. Seachoice ProFlo Universal Round Motor Flusher Black
  7. Seaworks Dual Feed Muff Style Boat Motor Flusher | Use for Antifreeze Winterization or Common Water ...
  8. SeaSense Dual Motor Flusher Dual Flow Motor Flusher Round,
  9. Seaworks Dual Feed Muff Style Heavy Duty Steel Boat Motor Flusher | Use for Antifreeze Winterization...
  10. Threlaco 2 Pcs Summer Outboard Motor Flusher and Lower Unit Gear Oil Pump Set Dual Water Feed Boat E...
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  #1

SeaSense Dual-Flow Motor Flusher

Asin: B000FZ1ZVS   |   Model: 50073750   |   PartNumber: 50073750   |   Ean: 0737765737505   |   UPC: 737765737505

Features

  • Extend your engine life
  • Ready to use
  • This product is manufactured in china
  • No Tools Required
  • Easy To Use
  • Extend Your Engine Life
  • For Engines With Side Water Inlets
  • Great For Larger Motors 50 HP & Up
  • No Tools Required
  • Easy To Use
  • Extend Your Engine Life
  • For Engines With Side Water Inlets
  • Great For Larger Motors 50 HP & Up
  • See more on Amazon...

This Product Is Manufactured In China.
Easy To Use.
For Engines With Side Water Inlets.
Great For Larger Motors 50 Hp & Up.
Easy To Use.
Extend Your Engine Life.
No Tools Required.
No Tools Required.
Ready To Use.

First Available: 05/16/2008

Brand: SeaSense   |   Manufacturer: 3M

Dimensions: 3.25 x 18.50 x 6.00 inches   |   Weight: 0.30 pounds

Warranty: One Year Warranty

Amazon Price: $17.99 | as of 05/27/2024 (8:29am pst) *DETAILS
Availability: In Stock
Used Price: $17.09

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  #2

Seachoice 18331 Adjustable Inboard Engine Flusher with Telescoping Shaft Perfect for Hard-to-Reach Motors

Asin: B07YYYV6YP   |   Model: 18331   |   PartNumber: 18331   |   Ean: 0719249183312   |   UPC: 719249183312

Features

  • Designed to flush sand, silt, and alkali from your inboard engine
  • Easily installs on raw water strainer for inboard engines without tools
  • Telescoping shaft ensures precise alignment, especially in hard-to-reach areas
  • Shaft length: 18-1/2 to 31 inches
  • Large diameter suction cup eliminates fall-off or blow-by while flushing
  • See more on Amazon...

Telescoping Shaft Ensures Precise Alignment, Especially In Hard-To-Reach Areas.
Large Diameter Suction Cup Eliminates Fall-Off Or Blow-By While Flushing.
Shaft Length: 18-1/2 To 31 Inches.
Easily Installs On Raw Water Strainer For Inboard Engines Without Tools.

Brand: SEACHOICE   |   Manufacturer: Seachoice

Warranty: http://www.seachoice.com/warranty-information

Amazon Price: $25.40 | as of 05/27/2024 (8:29am pst) *DETAILS
Availability: In Stock

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  #3

ISURE MARINE Universal Rectangular Outboard Motor Water Flusher Boat Ear Muff Engine Flusher for Marine Boat

Asin: B08DRGWKDY

Features

  • Arms Length:10" (256mm) Rectangular Cap Size: 4.85" * 3" (123mm * 76.7mm)
  • Quick installation and use of garden hoses, idle-speed adjustment of starting motors, convenient for cleaning pollutants in the motor system,Keep your motor clean
  • Flushes your engine after every trip with this easy to use motor flusher , High elastic quality bracket, not easy to deform
  • Flushes Contaminates fromThe Cooling System and Allows Idling for Engine Adjustments, Installs in Seconds
  • This flusher fits most Johnson/Evinrude, Mercury, Yamaha, Chrysler, Force, Honda, Nissan, Suzuki, and Tohatsu
  • See more on Amazon...

✔Flushes Your Engine After Every Trip With This Easy To Use Motor Flusher , High Elastic Quality Bracket, Not Easy To Deform.
✔This Flusher Fits Most Johnson/Evinrude, Mercury, Yamaha, Chrysler, Force, Honda, Nissan, Suzuki, And Tohatsu.
✔Flushes Contaminates Fromthe Cooling System And Allows Idling For Engine Adjustments, Installs In Seconds.
✔Quick Installation And Use Of Garden Hoses, Idle-Speed Adjustment Of Starting Motors, Convenient For Cleaning Pollutants In The Motor System,Keep Your Motor Clean.

Brand: ISURE MARINE   |   Manufacturer: ISURE MARINE

Amazon Price: $12.99 | as of 05/27/2024 (8:29am pst) *DETAILS
Availability: In Stock

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  #4

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

Asin: B07GBBQCZ9   |   Model: 50141   |   PartNumber: 50141   |   Ean: 0014717501415   |   UPC: 014717501415

Features

  • Flushes contaminates out of the engine
  • Dual input design enables better flow through the engine
  • Connects to any standard garden hose
  • Compatible with most outboards and sterndrives
  • Great for boat winterization
  • See more on Amazon...

Connects To Any Standard Garden Hose.
Great For Boat Winterization.
Compatible With Most Outboards And Sterndrives.
Dual Input Design Enables Better Flow Through The Engine.

First Available: 08/09/2018

Brand: Camco   |   Manufacturer: Camco

Dimensions: 6.00 x 15.00 x 6.00 inches   |   Weight: 1.34 Pounds

Amazon Price: $24.31 | as of 05/27/2024 (8:29am pst) *DETAILS
Availability: In Stock
List Price: $26.99 | Used Price: $24.14

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  #5

Boat Motor Muffs Outboard Motor Muffs and Inboard I/O Ear Flusher Motor Flush Warmer Parts Hose Adapter Boat Muffs Outboard Engine Flush Marine Use Kit Boat Accessories Winterizing Flushing & Warming

Asin: B09PRRBDBH   |   Model: EB-ZJ4Y-JBEJ   |   PartNumber: EB-ZJ4Y-JBEJ   |   Ean: 0850033414103   |   UPC: 850033414103

Features

  • [ STRONGER 2024 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.
  • STANDARD INSTALL: Our boat ear muffs outboard use connects to a standard hose with an included optional quick connect male adapter end and rubber washer. No tools needed and use with our without additional marine salt flush kit boat parts.
  • WHY CHOOSE BETTER BOAT PRODUCTS: We are a family owned American business committed to making premium quality products and our customers happiness. We stand behind the quality of our products and will provide you with the best customer service.
  • See more on Amazon...

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..
Why Choose Better Boat Products: We Are A Family Owned American Business Committed To Making Premium Quality Products And Our Customers Happiness. We Stand Behind The Quality Of Our Products And Will Provide You With The Best Customer Service..
Standard Install: Our Boat Ear Muffs Outboard Use Connects To A Standard Hose With An Included Optional Quick Connect Male Adapter End And Rubber Washer. No Tools Needed And Use With Our Without Additional Marine Salt Flush Kit Boat Parts..
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..

Brand: Better Boat   |   Manufacturer: Better Boat

Dimensions: 17.00 x 5.50 x 5.50 inches

Amazon Price: $23.99 | as of 05/27/2024 (8:29am pst) *DETAILS
Availability: In Stock
List Price: $25.99

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  #6

Seachoice ProFlo Universal Round Motor Flusher Black

Asin: B0006ZCFMU   |   Model: 18301   |   PartNumber: 18301   |   Ean: 0719249183015   |   UPC: 719249183015

Features

  • Extend the life of your engine by flushing away salt, silt and sand after every use
  • Connects to a standard garden hose
  • Universal design fits a wide variety of engines
  • Suitable for use with most outboards and I/Os with side water inlets
  • Flexible rubber cups.
  • Manufacturer part number 50-18301
  • See more on Amazon...

Universal Design Fits A Wide Variety Of Engines.
Flexible Rubber Cups..
Manufacturer Part Number 50-18301.
Suitable For Use With Most Outboards And I/Os With Side Water Inlets.
Connects To A Standard Garden Hose.

First Available: 10/04/2018

Brand: SEACHOICE   |   Manufacturer: Seachoice

Dimensions: 13.50 x 5.25 x 3.25 inches   |   Weight: 0.48 Pounds

Warranty: http://www.seachoice.com/warranty-information

Amazon Price: $7.19 | as of 05/27/2024 (8:29am pst) *DETAILS
Availability: In stock Usually ships within 3 to 4 days.
List Price: $11.43

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  #7

Seaworks Dual Feed Muff Style Boat Motor Flusher | Use for Antifreeze Winterization or Common Water Flush | 5/8 Inch Standard Garden Hose Connection (Blue)

Asin: B08Z7N1WXL   |   Model: SEA1-1004   |   PartNumber: SEA1-1004   |   Ean: 0840140394283   |   UPC: 840140394283

Features

  • 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.
  • Fits most engine models: Compatible with most inboard and outboard engines including Mercury, Yamaha, Evinrude, Mercury, Yamaha, Johnson, Chrysler, Honda, Nissan, Suzuki as well as others.
  • Seaworks was born as a passion project by avid boater and fisherman. Your satisfaction is our priority and please contact us for any questions or concerns you might have!
  • See more on Amazon...

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..
Seaworks Was Born As A Passion Project By Avid Boater And Fisherman. Your Satisfaction Is Our Priority And Please Contact Us For Any Questions Or Concerns You Might Have!.
Fits Most Engine Models: Compatible With Most Inboard And Outboard Engines Including Mercury, Yamaha, Evinrude, Mercury, Yamaha, Johnson, Chrysler, Honda, Nissan, Suzuki As Well As Others..
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..

Brand: Seaworks   |   Manufacturer: Seaworks

Amazon Price: $26.99 | as of 05/27/2024 (8:29am pst) *DETAILS
Availability: In Stock

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  #8

SeaSense Dual Motor Flusher Dual Flow Motor Flusher Round,

Asin: B00VYVL0X0   |   Model: 50073757   |   PartNumber: 50073757   |   Ean: 0737765737574   |   UPC: 737765737574

Features

  • Flushes salt, silt, and sand out of the cooling system of the motor
  • No tools required
  • Great for larger motors 50 HP & up
  • Extends your engine life
  • For engines with side water inlets
  • See more on Amazon...

Great For Larger Motors 50 Hp & Up.
For Engines With Side Water Inlets.
Extends Your Engine Life.
No Tools Required.

Brand: SeaSense   |   Manufacturer: Unified Marine, Inc.

Dimensions: 27.36 x 15.51 x 4.76 inches

Amazon Price: $15.35 | as of 05/27/2024 (8:29am pst) *DETAILS
Availability: In Stock
List Price: $17.42

See On Amazon




  #9

Seaworks Dual Feed Muff Style Heavy Duty Steel Boat Motor Flusher | Use for Antifreeze Winterization or Common Water Flush | 5/8 Inch Standard Garden Hose Connection (Orange)

Asin: B08Z6SZBQ9   |   Model: SEA1-1002   |   PartNumber: SEA1-1002   |   Ean: 0840140394269   |   UPC: 840140394269

Features

  • 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 and Steel Body: Our dual flow design allows for higher pressure and better cleaning power. Steel Body for additional durability and leak protection. 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.
  • Fits most engine models: Compatible with most inboard and outboard engines including Mercury, Yamaha, Evinrude, Mercury, Yamaha, Johnson, Chrysler, Honda, Nissan, Suzuki as well as others.
  • Seaworks was born as a passion project by avid boater and fisherman. Your satisfaction is our priority and please contact us for any questions or concerns you might have!
  • See more on Amazon...

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..
Seaworks Was Born As A Passion Project By Avid Boater And Fisherman. Your Satisfaction Is Our Priority And Please Contact Us For Any Questions Or Concerns You Might Have!.
Fits Most Engine Models: Compatible With Most Inboard And Outboard Engines Including Mercury, Yamaha, Evinrude, Mercury, Yamaha, Johnson, Chrysler, Honda, Nissan, Suzuki As Well As Others..
Dual Flow And Steel Body: Our Dual Flow Design Allows For Higher Pressure And Better Cleaning Power. Steel Body For Additional Durability And Leak Protection. Our Motor Flusher Also Comes With An Adapter For Other Sized Hoses..

Brand: Seaworks   |   Manufacturer: Seaworks

Amazon Price: $33.99 | as of 05/27/2024 (8:29am pst) *DETAILS
Availability: In Stock
Used Price: $29.37

See On Amazon




  #10

Threlaco 2 Pcs Summer Outboard Motor Flusher and Lower Unit Gear Oil Pump Set Dual Water Feed Boat Engine Motor Flusher Fluid Pump for Quart Bottles Adapters Fit Most Marine Boat Outboard Motors

Asin: B0CTQJ5B9F   |   Model: JYD-Threlaco-0625   |   PartNumber: JYD-Threlaco-0625

Features

  • Multipurpose Oil Pump and Flush Kit: this outboard motor kit provides you with one lower unit gear oil pump and an outboard motor flusher, ideal for basic marine maintenance; The lower unit gear pump employs 3 adapters, 2 tubes, 1 pump, and 1 hose to access bottles of varying heights, accommodating standard quart bottles with an 8CC per pump speed; The flusher and oil pump combo ensures a straightforward, user friendly experience directed at your needs
  • Robust Construction for Durability: the rectangular rubber sleeve, crafted from quality spring steel and an extruded rubber sleeve, and the lower unit gear oil pump adapter, fashioned from galvanized reinforced steel, ensure longevity and performance; Catering to most marine outboard motors, this set presents a dependable solution for your marine maintenance requirements
  • Offering Versatility: this set not only saves time but is also very user friendly; The lower unit gear oil pump comes with three adapter sizes of 3/8 inch, 8mm, and 10mm, catering to varied requirements and specifications; The external unit flusher stands at about 15.7 inches, with the external thread connector size and rectangular sleeve dimensions measuring about 4.7 x 3.1 inches ideal for versatile applications, adapting to diverse customer needs
  • Easy Installation and Usage: this package is designed with user convenience in mind; Setup is simple, just slide the cup cover over the top of the inlet sink, then connect the hose to the 5/8 quick connect valve; With this easy to use motor flusher, you can clean your engine after every trip, ensuring safe operation and stability for your engine; Please measure the size before purchasing
  • Effective Flushing: the motor flusher features a dual water inlet design, allowing you to maximize the water flow through both inlets; This facilitates an effective engine flushing process, removing salt, sand, and silt, thereby preventing corrosion; This is simple yet vital process can extend the service life of outboard engines
  • See more on Amazon...

Offering Versatility: This Set Not Only Saves Time But Is Also Very User Friendly; The Lower Unit Gear Oil Pump Comes With Three Adapter Sizes Of 3/8 Inch, 8Mm, And 10Mm, Catering To Varied Requirements And Specifications; The External Unit Flusher Stands At About 15.7 Inches, With The External Thread Connector Size And Rectangular Sleeve Dimensions Measuring About 4.7 X 3.1 Inches Ideal For Versatile Applications, Adapting To Diverse Customer Needs.
Effective Flushing: The Motor Flusher Features A Dual Water Inlet Design, Allowing You To Maximize The Water Flow Through Both Inlets; This Facilitates An Effective Engine Flushing Process, Removing Salt, Sand, And Silt, Thereby Preventing Corrosion; This Is Simple Yet Vital Process Can Extend The Service Life Of Outboard Engines.
Easy Installation And Usage: This Package Is Designed With User Convenience In Mind; Setup Is Simple, Just Slide The Cup Cover Over The Top Of The Inlet Sink, Then Connect The Hose To The 5/8" Quick Connect Valve; With This Easy To Use Motor Flusher, You Can Clean Your Engine After Every Trip, Ensuring Safe Operation And Stability For Your Engine; Please Measure The Size Before Purchasing.
Robust Construction For Durability: The Rectangular Rubber Sleeve, Crafted From Quality Spring Steel And An Extruded Rubber Sleeve, And The Lower Unit Gear Oil Pump Adapter, Fashioned From Galvanized Reinforced Steel, Ensure Longevity And Performance; Catering To Most Marine Outboard Motors, This Set Presents A Dependable Solution For Your Marine Maintenance Requirements.

Brand: Threlaco   |   Manufacturer: Threlaco

Amazon Price: $29.99 | as of 05/27/2024 (8:29am pst) *DETAILS
Availability: In Stock

See On Amazon






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