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10 Best Fuel Water Separator Filters And Their Reviews For 2021

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Tim Rhodes

As a consumer, it’s essential for us to select the right fuel water separator filter that meets our needs, so that the hard-earned money we invest in them pays out well in the long run.

The presence of moisture and water in the fuel used in marine vehicles poses certain threats to their machinery.

Therefore, we must get rid of that water to ensure that the fuel is safe and pure for utilization.

This does not only affect the purity of the fuel but also affects the vehicle’s efficiency and performance.

Therefore, several fuel-water separation systems are available in the market today that aim to get rid of moisture from fuel.

These separation systems have been continuously revolutionizing the industry with their innovative technologies boosting the efficiency of fuel and performance of machinery and marine vehicles.

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Last update on 2021-11-29 / Affiliate links / Images from Amazon Product Advertising API

10 Best Fuel Water Separator Filters Reviewed

Here’s the list of the 10 best fuel water separator filters of 2021 not in any specific order that you can purchase from Amazon.

1. Yamaha Outboard 10-Micron Fuel Water Separating Filter

Yamaha Outboard MAR-FUELF-IL-TR 10-Micron Fuel Water Separating Filter 90GPH

When it comes to the fuel of your marine vehicle, why take chances with any other manufacturer?

Give your machine the protection it deserves with authentic Yamaha outboards.

This product effectively separates the water molecules from the fuel of your marine vehicle.

The presence of water in the fuel may pose certain threats but they’re eliminated by using Yamaha Outboard 10-Micron Fuel Water Separating Filter.

This product is quite durable and has a long life so you don’t need to change it frequently.

It prevents rust buildup inside the machinery that may deteriorate the parts over time.

The fuel water separation process ensures the smooth and efficient functioning of the engine.

Pros & Benefits:

  • This system efficiently removes water from your vehicle’s fuel
  • The fuel and water separation prevents rust buildup from the interior of machine parts
  • The separation process ensures the smooth and efficient functioning of the engine
  • The product is quite durable and long-lasting

Check Price and Reviews on Amazon


2. Boating Accessories New Marine Water Separating Fuel Filter

Sierra 18-7945 10 Micron Replacement Fuel Water Seperator - Long, 4.35'

Boating Accessories New Marine Water Separating Fuel Filter separates up to 99.8% of emulsified water from your fuel.

It’s over 90% efficient at removing minute particles that are as small as 10 microns.

It maintains a steady flow rate of 90 gallons per hour to fuel even the most powerful motor.

This filter is recommended to prevent damage to sensitive inboard, sterndrive, and outboard fuel injection systems.

This product replaces Mercury/MerCruiser 35- 802893Q01, 35- 604941, 35- 60494, 35- 55501, 35 -57250, 35- 60494A5, 35- 806771, 35- 8052691, 35 -802893Q, 35 -807172, and Yamaha ABB- FUELF -IL- TR.

All parts are of the highest quality and are covered under Sierra’s industry-leading customer satisfaction warranty.

Pros & Benefits:

  • The oil and water separation process extracts emulsified water from the fuel to ensure better combustion
  • This product removes particles as minute as 10 microns
  • The filtration process prevents damage to sensitive machinery

Check Price and Reviews on Amazon


3. QuickSilver Water Separating Fuel Filter Element

Quicksilver 802893Q01 Water Separating Fuel Filter - Mercury and Mariner Outboards and MerCruiser...

QuickSilver products are manufactured to match Mercury Marine’s stringent original equipment manufacturer performance specifications.

The 25-micron filtering elements filter out damaging or performance affecting fuel borne impurities.

The product comes with polyester/cellulose/glass fiber with phenolic binder all coated with silicon.

The design of the products fits all types of marine engines irrespective of the brand.

The products are thoroughly validated.

Quality and integrity are kept paramount.

The filtration process removes all types of pollutants from the fuel including emulsified water and moisture delivering the best output.

It keeps your engine and other important machinery safe and in their optimum state for best performance.

Pros & Benefits:

  • The products are of appreciably high quality
  • The process of filtration is very effective and efficient
  • The separation process removes emulsified water and other pollutants
  • Using purified fuel keeps the machinery in its optimum state

Check Price and Reviews on Amazon


4. GOLDENROD Water-Block Bowl Fuel Tank Filter

GOLDENROD 496-3/4 WATER-BLOCK FILTER (56591) Bowl Fuel Tank Filter with 3/4' NPT Top Cap

GOLDENROD filters deliver high quality consistently for an extended period.

The highly compatible filters come with a universal fit.

GOLDENROD’s water-block filter extracts water from gasoline and diesel fuel.

The water-absorbing polymers trap water restricting the flow of the fuel when it’s time to replace the element.

The filtration process removes microscopic pollutants like dirt particles and other dust elements up to 17 microns.

Zinc die-cast top cap has 3/4″ NPT pipe fittings.

The transparent see-through body allows you to visually monitor the flow of fuel.

The maximum recommended flow rate is 25 gallons per minute and the working pressure of the filter is up to 150 psi.

Pros & Benefits:

  • The product is of the highest quality
  • The filtration process removes pollutants up to 17 microns
  • Comes with a transparent see-through body
  • It usually maintains a maximum flow rate of 25 GPM

Check Price and Reviews on Amazon


5. Seachoice Outboard Engine Fuel/Water Separating Filter

Seachoice 20931 Outboard Engine Fuel/Water Separating Filter Kit, 10 Micron

The fuel filters are the first set of protection systems and are very important to keep your engine at its peak performance and efficiency.

This high-quality fuel water separator makes sure that clean fuel is supplied to your marine vehicle’s engine.

The easy to replace spin design allows you to easily replace the filter.

The universal fit makes it ideal for brands like Seachoice, Racor, Moeller, Yamaha, Suzuki, SMI, Volvo Penta, 12 Sierra, Aqua Power, and other filter heads.

The filter is reusable and has a transparent see-through bowl with a drain.

The pollutant-free fuel is essential for good engine health so it continuously performs at its peak.

Pros & Benefits:

  • Using the purified fuel free of water and pollutants keeps your engine performing at its peak
  • The filter system is quite easy to replace because of its spin on design
  • The product comes with a universal fit
  • The reusable filter can be used again and again
  • This filter system has a transparent see-through body

Check Price and Reviews on Amazon


6. Boating Accessories 10 Micron Short Fuel Water Separator

Teleflex 18-7944 Fuel Water Separator Filter, Original Version, Medium

Sierra fuel water separating systems eliminate over 99.8% of emulsified water from your fuel.

The special 10-micron filters are up to 90% effective in removing pollutant particles that are as small as 10 microns.

Sierra’s 10-micron filters are suggested to avoid any technical damage to the sensitive inboard, sterndrive, and outboard fuel injection systems of your marine vehicle.

The highly efficient filters maintain an incredibly sufficient amount of steady flow of 90 gallons per hour to fuel even the most powerful engines.

This filter system from Sierra replaces Mercury-35- 807172, 35- 802893Q, and OEM: MERCURY MARINE 35-807172.

It prevents rust buildup inside the machinery that may deteriorate the parts over time.

This product is quite durable and has a long life, therefore, you don’t need to change it frequently.

Pros & Benefits:

  • This fuel water separating filter system comes with a 10-micron filter
  • The separation process eliminates over 99.8% of emulsified water
  • Avoiding water and moist prevents rust buildup in the machinery
  • This product is highly efficient

Check Price and Reviews on Amazon


7. Five Oceans Fuel Water Separator Filter

Five Oceans Replacement Fuel Water Separator Filter with See-Thru Bowl (Mercury, Racor & Universal),...

These fuel filters are designed to substantially eliminate 99% of the emulsified water found in fuels.

This fuel-water separation system comes with a spin-on design for easy replacement making the replacement process quite convenient and simple.

The drain in the bowl of the system allows the removal of the water and other impurities along with debris.

It maintains an efficient and steady flow rate of 60 gallons per hour to keep feeding even the most powerful engines.

The special 10-micron filters are up to 90% effective in removing pollutant particles that are as small as 10 microns.

The 10-micron filtering elements filter out damaging or performance affecting fuel borne impurities.

Pros & Benefits:

  • The separation process easily eliminates 99% of emulsified impurities
  • The fuel water separator filter system comes with a spin on easy to replace the filter
  • The system easily maintains a flow rate of 60 gallons per hour
  • The filter filters up to 10-micron pollutants

Check Price and Reviews on Amazon


8. Fill-Rite Water Sensing Fuel Filter With Drain

Fill-Rite F1810HC1 1' 18 GPM (68 LPM) Water Sensing Fuel Filter with Drain (Clear)

The Fill-Rite branded products consistently serve superior performance all the time regardless of the application or installation.

The Fill-Rite filters keep your engine running at its peak performance by filtering out the emulsified water from the fuel.

It maintains an efficient and steady flow rate of 18 gallons per minute to keep feeding even the most powerful engines.

The filtration process removes all types of pollutants from the fuel including emulsified water and moisture delivering the best output.

Keeps your engine and other important machinery safe and in their optimum state for best performance.

It prevents rust buildup inside the machinery that may deteriorate the parts over time.

The products are thoroughly validated.

Quality and integrity are kept paramount.

Pros & Benefits:

  • The separator efficiently removes water from your vehicle’s fuel
  • The process of separation prevents rust buildup from the interior of the machine parts
  • Removing water and moisture from the fuel ensures the smooth and efficient functioning of the engine
  • The product is quite durable and long-lasting

Check Price and Reviews on Amazon


9. Attwood Universal 10-Micron Fuel/Water Separator Filter

Attwood 11841-4 Universal 10-Micron Fuel/Water Separator Filter with Double Gasket

Attwood Corporation has been an award-winning leader in engineering, testing, and manufacturing the highest quality marine products for over 100 years.

Attwood filters are double sealed for optimum performance and enhancing durability.

It is a highly compatible filtration system from Attwood with universal ⅜” ports.

The 10-micron filters are designed to avoid any technical damage to the sensitive inboard, sterndrive, and outboard fuel injection systems of your marine vehicle.

This high-quality fuel water separator makes sure that clean fuel is supplied to your marine vehicle’s engine.

Pros & Benefits:

  • The filtration process eliminates 99% of emulsified impurities
  • This fuel-water separation filter system comes with a spin on easy to replace the filter
  • 10-micron filters remove every tiny bit of pollutants present in the fuel

Check Price and Reviews on Amazon


10. Ketofa Fuel Filter/Water Separator

R12T Fuel Filter/Water Separator, 120AT NPT ZG1/4-19 and Nylon Collection bowl Replacement Element

These are more suited to compact off-road diesel equipment for tractors, skid steers loaders, and movers.

The filter units are coated with a durable electrostatically applied powder coating for superior corrosion resistance.

It maintains an efficient and steady flow rate of 30 gallons per minute to keep feeding even the most powerful engines.

The filtration process removes microscopic pollutants like dirt particles and other dust elements up to 10 microns.

The filter is designed for spin-on, it’s simple to replace and the reusable clear nylon collection bowl and features a self-venting drain for removing unwanted muck and water.

Pros & Benefits:

  • The filtration system comes with a 10-micron filter
  • The fuel water separation process eliminates over 99.8% of emulsified water
  • Eliminating water from the fuel prevents rust buildup
  • Highly efficient removal of water and other pollutants from fuel

Check Price and Reviews on Amazon


How To Choose The Right Fuel Water Filtration System

List Your Requirements

This is quite an essential step if you don’t want to end up investing your money in a water filter system that’s not compatible with your requirements.

List down all essential qualities that you want in the machine and then start searching based on those specific qualities to ensure your invested money ends up buying you the product that meets your requirements.

Take a pen and paper and jot down all the desired qualities that you would seek in your filter system.

This makes it easier to look for filters that align with your requirements and are suitable for use.

Consider Your Budget

The second crucial step is to be aware of your budget.

You don’t want to end up buying an extremely expensive water filtration system that crashes your other expenses.

It’s essential to find that sweet spot where you can afford a good water purification system that does the job without harming your finances in a significant manner.

For example, out of the many extremely expensive filters available in the market, you would rather desire something that you can afford as well as that gets the job done.

On proper research, you would realize that there are instead plenty of filter systems that are too much expensive but function the same as those functions that are less than half of their price.

Shortlist

After listing out the desired qualities and understanding your budget, you now need to start searching for purification systems accordingly and then list them one by one.

After you’ve prepared a list of good purification systems, start shortlisting the ones that are most suitable and apt for your household and your requirements.

Shortlist and prepare a list of two to three water filter systems that seem appealing to you and match your needs.

This task may seem a little time-consuming and unnecessary, but it’s extremely important.

Make sure you shortlist and remove the items that seem a little less competitive or less appealing as per your requirements to ensure that the final choice is to be made between the most suitable filters only.

Reviews

Reviews prove quite useful while purchasing stuff online.

You get to know the experience of other customers who have already used the item and about what issues they faced while using the product so that you get to know what complexities you might face if you purchase that product.

You can surf through reviews to get to know the product and the user experience better so you are on a safer side while investing your finances.

Carefully read and understand both the positive and negative reviews of the products so that you know what are the negative as well as the positive traits about your desired product.

Sometimes products of really renowned brands also end up being useless, people just end up buying the product because of the brand’s fame and later realize that they invested their money on the wrong asset.

You can avoid this by understanding how other individuals felt about using this product and how you’ll experience the product based on other’s experiences.

Working Of Fuel Water Purification Systems

Nowadays, there are plenty of manufacturers who manufacture fuel-water separation filters with their theoretical operation being almost the same and slight modifications in the designs being the major difference between most of the filters.

The first stage of the fuel water separation filter makes use of a multiple fold paper element to modify water molecules into considerably large droplets that are going to fall by gravity to water collecting sump at the bottom of the filter.

The second stage comprises a silicone treated nylon that plays the part of safety equipment to avoid minute molecules of water that escape the first stage by passing into the engine.

While removing water from the fuel water separator, the user should check the fuel water separator from time to time and open the valve to drain the water.

The fuel water separators have various sizes and configurations based on the required flow rate by the engine and fuel system.

Although on smaller machines, one fuel water separating filter can be used whereas on comparatively bulkier devices, up to three or more could be used accordingly as per the requirements.

The fuel water separator filter is usually placed on the skid of the engine or on another suitable bracket that is closer to the engine.

If the separating filter stops working, any water molecules present in the fuel can wear away lubricants present on the diesel fuel injectors.

After the device extracts pollutants and solid materials, it helps in reducing the engine clogging.

Thus, it can be seen that the fuel water separator is an essential part of the fuel system.

Final Thoughts

There are plenty of fuel water separator filter systems available in the market to be chosen from depending on your requirements.

Fuel water separator filter systems prove to be quite handy for a variety of purposes.

They remove emulsified water and moisture from the fuel which ensures that the proper functioning of the engine is maintained for an extended time.

It’s observed many times that if the water is allowed to enter the engine along with fuel, it causes many irreversible damages to the machine that affect the performance and life of the marine vehicle.

Fuel water purification systems might be costly at times but since it’s a one-time investment, it pays off in the long run.

These systems are essential to ensure that the engine is well maintained, avoids rust buildup, and lasts longer while delivering the same peak performance.

We hope that this article has helped you choose the right fuel water separator filter for your needs.

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