The Best Fuel Water Separator In 2022 (High Efficiency)

When scouting for the best fuel water separator to purchase, you want something that will get the task done. You want something that has a reasonable price, top-of-the-line quality, and a long warranty. These are all things you can find in our list of the best fuel water separator available on the market. It was not easy picking the top ten of several awesome products, but we managed to do it!

This list includes all the important features that make a fuel water separator worthy. We have also taken note of the materials used in each product and how they affect your experience with it. There is one thing we can guarantee: you won’t be disappointed with these products.

Top 10 fuel water separator: Editor’s Choice

Best fuel water separator: Review and Guide

We’re not just trying to make a buck; we want to help you find the best products to make informed decisions. We only recommend products that have been extensively tested and reviewed by our team of experts. We are 100% transparent, and we’re not trying to trick you into buying anything. We’ve done our homework and know what we’re talking about. We want to help you find the best products for your needs, so we only recommend products that have been extensively tested and reviewed by our team. We stand behind every product on this list and guarantee that they will be worth your money.

To choose these top 10 fuel water separator, we researched many products based on some key criteria; these were:

  • Features
  • Durability
  • Build Material
  • Design and Style
  • Functionality
  • Performance
  • Affordability
  • Price Point
  • Value
  • Brand
  • Quality of each product

1. Sierra 18-7945 10 Micron Replacement Fuel Water Seperator – Long, 4.35″

Features :

  • Ethanol blended fuel absorbs more water and loosens more particulants than regular fuels
  • Proper filtration is required for every horsepower engine
  • Sierra’s 10 micron filters are over 90% efficient at removing particles as small as 10 micron
  • All filters flow at 90 GPH to feed even the hungriest motor
  • Fit Type: Universal Fit

Additional Info :

Item Dimensions
Height 0.393700787
Width 0.393700787
Length 0.393700787
Weight 1.04
Release Date 2011-12-03T00:00:01Z

2. Sierra International 18-7866 10 Micron, High Capacity Fuel Water Separator Filter for Yamaha MAR-FUELF-IL-TR, Medium

Features :

  • Sierra Fuel Water Separators extract over 99.8 percent emulsified water from gasoline
  • Universal Fit
  • To protect sensitive inboard, sterndrive, and outboard fuel injection systems, Sierra 10 Micron Filters are recommended
  • Item model number: ‎18-7866

Additional Info :

Item Dimensions
Height 4
Width 4
Length 6
Weight 1.2
Release Date 2011-12-03T00:00:01Z

3. R12T Fuel Filter Marine Water Separator Complete Kit – SPIN-ON R12T Filter Replaces S3240 120AT NPT ZG1/4-19 Fit 3/8 Inch NPT Outboard Motors for Gasoline Engine and Diesel Engine with Four Fittings

Features :

  • R12T MATEIRAL: Original Italy Ahlstrom 3 layers filter paper, made of synthetic fiber, filter 99% water, impurities and contaminants at 4 micron, higher filter rating than 5 or 10 micron filter, protects your vehicle’s fuel system from contaminants, such as: dirt, rust, and paint particles;
  • FITMENT: Filter for diesel engine. Don’t be caught in the water without one of these diesel spin-on filters. Fuel Water Separator Filter fit 3/8 Inch NPT Outboard Motors, suited to compact off road diesel equipment: tractors, skid steers loaders, movers;
  • LONGER LIFE SPAN: The imported material from Italy has a filtration efficiency of 99%, 3 layers,results in higher dust holding capacity than ordinary 1-2 layers, and longer life span, it needs to be replaced only after driving for an average of for 20,000-40,000 miles. Fuel Filter Kit contains everything you need to replace a fuel filter on your vehicle;
  • REPLACE PART NUMBER: Replaces S3240 R12T 120AT, Replaces Sierra 18-7987; Replaces RK10222;
  • CERTIFICATES AND WARRANTY: Germany TUV IATF16949, ISO14001, OHSAS18001; USA Standard: Passed SAE1839 Standard Society of Automotive Enginess; 6 Months warranty. We will provide the best after-sales service. If you are not satisfied with the quality of our products after purchase, we will solve the problem in time.

Additional Info :

Color R12T Complete Kit
Item Dimensions
Weight 0.110231131

4. Sierra International 18-7982-1 Marine Fuel Water Separator Kit, white

Features :

  • All filters flow at 90 GPH to feed even the hungriest motor
  • Prevent damage to sensitive inboard, sterndrive and outboard fuel injection systems
  • Sierra fuel water separators remove over 99.8% of emulsified water from your gasoline
  • Sierra’s 10 micron filters are over 90% efficient at removing particles as small as 10 micron
  • Material : Aluminum (Tall Filter)
  • Fit type: Universal Fit

Additional Info :

Color white
Item Dimensions
Height 0.393700787
Width 0.393700787
Length 0.393700787
Weight 0.36

5. iFJF R12H (R12T Upgrade) Fuel Water Separator Marine Complete Combo – Replaces S3240 120AT NPT ZG1/4-19 Automotive Replacement Spin-on Filter Includes 2 Fittings 2 Plugs

Features :

  • New upgrade: This product is an upgraded version of R12T. The R12T filter element is not removable, and the housing needs to be replaced at the same time as the replacement. The R12H filter element is detachable, and you only need to replace the internal filter element each time, which greatly saves your cost. Please note: The internal filter element requires a certain amount of effort to be pushed out.
  • Buyer Benefits: Two filter elements and two O-rings are given for free, so there are three filter elements and four O-rings in total. Package includes: 1 x R12H Fuel Water Separator complete combo, 2 x connection fittings, 2 x plugs, 2 x additional filter elements, 2 x additional O-rings.
  • Material Upgrade: For ships going to sea, iron products are very easy to be damaged due to the influence of seawater and sea breeze. The upgraded R12H adopts aluminum alloy material and plastic-sprayed processing technology as a whole, which effectively avoids the above-mentioned problems.
  • Replace Part Number: S3240 R12T 120AT, 18-7987, RK10222.
  • Features: This spin-on filter design is easy to replace, and other parts except the filter element can be reused. The black valve under the transparent nylon collection bowl can control the discharge of water. The R12H filter is designed for high-performance applications, and with a flow rate of 15 GPH. Through the advanced large-capacity filter media, water and particles as small as 10 microns are removed to ensure that the incoming fuel is free of water and other particles.

Additional Info :

6. OEM Yamaha Mini-10 10-Micron Fuel/Water Separating Filter Only MAR-MINIF-IL-TR

Features :

  • New

Additional Info :

Item Dimensions
Height 12
Width 12
Length 14
Weight 0.2

7. Fuel Filter Water Separator with 3/8″ Barb x 1/4″ NPT Fittings Replacement for Marine Outboard Motor Mercury Replaces# 35-60494-1, S3213, 18-7932-1, 18-17928, 35-809097

Features :

  • PERFORMANCE: Keeping a clean fuel filter in your vehicle can reduce damage done to your engine and other fuel delivery components. This 10 micron fuel filter can screens out dirt, rust and other particles from the fuel, ensuring a steady flow of clean fuel for optimal engine performance
  • PREMIUM QUALITY: Outstanding filtration matters, that is why our fuel water separator are crafted from high-grade filter medium that provide maximum filtration and minimal flow restriction. Deliver increased flow and efficiency that are demanded in the fuel system
  • LONG LIFE-SPAN: The outboard fuel filter has went through rigorously testing so that you will get a fairly reliable fuel filter, features anticaustic housing, multi-layer filter and superior sealing components to ensure leakage resistance and extreme durability under various operating conditions
  • APPLICATION: Perfect for a variety of universal fuel applications, mostly used on outboard marine engines. REPLACE OE#: 35-60494-1, S3213, B32013, 18-7932-1, 18-7932, 18-7928-1, 18-7928, 35-809097, MAR-24563-03-00, 18-7919, 18-7919-1, 35604941, B32013, 1879321, 187932 , 1879281, 187928, 35809097, MAR245630300, 187919, 1879191
  • PACKAGE: It comes with 3/8-Inch Barb x 1/4-Inch NPT brass fittings and a roll of PTFE thread tape as pictures show. Please wrap teflon tape around fittings thread to prevent leaks from these plugs

Additional Info :

Item Dimensions
Height 4.92
Width 4.52
Length 10

8. Caterpillar 175-2949 Advanced High Efficiency Fuel Water Separator

Features :

  • genuine cat 175-2949 fuel water separator
  • thread size (inch): 1 – 14
  • height: 185mm
  • diameter: 93mm
  • Fit type: Vehicle Specific

Additional Info :

Item Dimensions
Height 7.28345
Width 3.66141
Length 3.66141
Weight 1.3
Release Date 2018-05-31T00:00:01Z

9. Marpac Marine Boat Fuel/Water Separator 7-0860

10. CARMOCAR Fuel Filter Water Separator replacement for Marine Outboard Motor Mercury with 3/8″ Barb x 1/4″ NPT brass Fittings Replaces# S3213, S3214, 35-60494-1, S3213, 18-7932-1, 18-17928, 35-809097

Features :

  • 【Marine Diesel & Water separator】: Perfect for a variety of universal fuel applications, replacement for Marine Outboard Motor Mercury.
  • 【Part number】: replacement for Mercury 35-60494-1,S3213, B32013,18-7932-1, 18-7932, 18-7928-1, 18-7928 ; Filter Replaces for Mercury Marine 35-809097 ; replacement for Yamaha MAR-24563-03-00, 18-7919, 18-7919-1;Bowl Replaces 18-7922-1, 18-7922 ;Bracket Replaces 18-7853-1.
  • 【3/8 NPT ports】: Fuel Water Separator 3/8 NPT ports offer lower pressure drop rates.10 micron filters are over 92% efficient at removing particles as small as 10 microns, Trap The Smallest particles and emulsified water from gasoline. So a clean fuel filter can reduce damage done to your engine and other fuel delivery components.
  • 【HIGH QUALITY】: The filter is constructed of premium aluminum material for long lasting durability and reliability.multi-layer filter and superior sealing components to ensure leakage resistance and extreme durability under various operating conditions.
  • 【Package included】: As pictures show,It comes 1 x Fuel Water Separator Marine with 3/8-Inch Barb x 1/4-Inch NPT brass fittings.
  • 【ABOUT SERVICE】:Durable and Long Lasting Diesel & Water separator,the customer service period is 1 year.Note: Please check the display pictures and OEM to see before purchase.
  • 【Notice】:This is a Diesel & Water separator. It cannot be used for Petrol & Water separator.The frequency of changing the water filter or the water filter depends on the degree of contamination in the fuel. Inspect or drain the collection bowl of water daily and replace the filter annually.

Additional Info :

Things to Look for Before Buying fuel water separator

To decide how beneficial the fuel water separator will be, you should know some basic things first. A fuel water separator that is cheap is not always a good offer because it’s either a fake or of low quality, and if you find the right one, but it’s too expensive, then you might look for an alternative or delay the purchase for when your money increases. In this article, you’ll find all the basics concerning choosing the best fuel water separator. You should also be aware that you will probably have to spend some time researching, but it is worth it.

If you’re considering buying a fuel water separator, please consider the following suggestions for making an intelligent choice!

  • What do you want? If you’re unsure what you want, it can be hard to find the right product. Your search will be much easier if you know what you need.
  • How much are you willing to spend? If you have a budget, stick with it. You don’t want to get stuck with something that costs more than you can afford.
  • What brand do you want? Some brands are more popular than others and are usually better quality. If you don’t care about the brand, choose one that looks good but is affordable.
  • Do you have any preferences? If you have certain features or characteristics that are important to you, make sure those items are in your product before buying them.
  • How often do you plan on using fuel water separator? If you only use one once in a while, consider buying an affordable model that will last a few years before needing replacement.

Features and Extras

The first thing you need to know about fuel water separator is its main features — this will help determine if it can do what you want it to do. It’s also important to find out if any extra features might be useful but aren’t advertised as standard on the packaging or website. It can be difficult to know all the features if you’re buying a product for the first time.

 

This can be especially true if you’re buying a product from a brand you don’t know. The best way to find out what features are available is to read reviews and product descriptions.

Quality

When you’re buying a fuel water separator, it’s not just the price tag that matters; it’s also the quality. A higher-quality product can withstand wear and tear over time without breaking down or becoming damaged. It also means that the materials used are high-quality and less likely to break down. But how do you know if a product is high-quality or not? Quality can be hard to judge from the outside, but there are some tell-tale signs that it’s not. A product is made of cheap materials will likely break down over time. If a product is cheaply made with many visible flaws in the craftsmanship, it’s probably not worth your money.

Durability

Another factor that needs to be considered while purchasing any product is its durability. If you are going to use a fuel water separator regularly, then it should be built to last for at least some period so as not to burden your pocket by having to replace it with new items now and then frequently. When choosing an item, make sure it has been made from high-quality materials so that it doesn’t break down quickly under pressure or after only a few uses. The best way to ensure this is by looking at reviews from previous users who have had experience with using similar products before buying yours. If they say that the item lasted them for several months without breaking down, then it’s safe.

Affordability

The price of a fuel water separator is another major consideration. You don’t want to spend too much on something that doesn’t offer much value or get frustrated when trying to operate it due to its complicated nature. On the other hand, if you opt for something cheap and basic, there’s a good chance it won’t have all the features and extras that would make your life easier. It’s important to find the right balance between price and features.

Value for the Money

While you don’t want to overpay for fuel water separator, it’s also important not to buy something that seems like a great deal but falls apart quickly or doesn’t perform as advertised. If there’s something similar on sale somewhere else that has better reviews or comes with more features, it might be worth waiting until you can get them both at once instead of taking advantage of an offer that seems too good to be true — because it probably is! To make an informed decision about two or more products, look at how their total cost affects you over the long run. This will give you a better idea of which fuel water separator offers more bang for your buck.

Brand Reputation

Even if the fuel water separator is cheap and has excellent features, it doesn’t necessarily mean it is of good quality. Sometimes, even expensive products fail to deliver on their promise of reliability and durability. So before making any purchase decision, ensure that the brand has a reputation for producing high-quality products that last long without causing any trouble.

Reviews

Customer reviews are an excellent way to determine if a fuel water separator is worth the money. Reviews by actual users can give insight into the quality and durability of the fuel water separator. You can also search for reviews on specific sites like Amazon, where there are thousands of reviews for almost every product imaginable. This will help you avoid making the same mistake as others while buying a fuel water separator.

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