Best Fuel Water Separator in 2022 [*Top Picks*]

Looking for the best fuel water separator on the market? We’ve got you covered. Check out our ratings of absolute bestsellers below and make a final decision.

6477 Reviews Scanned

  • Fuel Filter Water Separator with 3/8
    Bestseller #1
    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 (1241)
      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
  • Sierra International 18-7982-1 Marine Fuel Water Separator Kit, white
    Bestseller #1
    Sierra International 18-7982-1 Marine Fuel Water Separator Kit, white (386)
      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
  • iFJF R12T Fuel Water Separator Marine 120AT NPT ZG1/4-19 Automotive Parts with Fitting -Complete Combo Filter Diesel Engine(Includes 2 fittings,2 plugs)
    Bestseller #1
    iFJF R12T Fuel Water Separator Marine 120AT NPT ZG1/4-19 Automotive Parts with Fitting -Complete Combo Filter Diesel Engine(Includes 2 fittings,2 plugs) (526)
      Attention:Please tighten the filter by yourself when installing it.Please fill the filter with fuel when installation. The filter housing is coated with a durable electrostatically applied powder coating for superior finish quality.Remove water and particles down to 10 microns in size,ensures that fuel arrives at your engine clean and water-free with its advanced high-capacity filter media.Provides best protection to your engine and improve its performance. This spin-on filter design is easy to replace and the reusable clear nylon collection bowl and features a self-venting drain for removing unwanted impurity and water.Tighten the valve,the water will not discharge.Release the valve,the water can be free to discharge. Filters are designed for high performance applications,and with flow rate of 15 GPH on the R12T model,your engine will perform better than ever with clean,water-free fuel. For R12T Marine Fuel Filter/Water Separator complete assembly.NPT,ZG1/4-19.(Port/Connecting Size M18 X 1.5 Center Thread)(Include 2 fittings,2 plugs).Part Number:Replaces S3240 R12T 120AT;Replaces 18-7987;Replaces RK10222.
  • R12T Fuel Filter Water Separator Complete Kit - Marine SPIN-ON R12T Filter Replaces S3240 120AT NPT ZG1/4-19 Fit 3/8 Inch NPT Outboard Motors For Diesel Engine With Four Fittings
    Bestseller #1
    R12T Fuel Filter Water Separator Complete Kit - Marine SPIN-ON R12T Filter Replaces S3240 120AT NPT ZG1/4-19 Fit 3/8 Inch NPT Outboard Motors For Diesel Engine With Four Fittings (86)
      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.
  • Sierra 18-7945 10 Micron Replacement Fuel Water Seperator - Long, 4.35
    Bestseller #1
    Sierra 18-7945 10 Micron Replacement Fuel Water Seperator - Long, 4.35" (386)
      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
  • Attwood 11841-4 Universal 10-Micron Fuel/Water Separator Filter with Double Gasket
    Bestseller #1
    Attwood 11841-4 Universal 10-Micron Fuel/Water Separator Filter with Double Gasket (386)
      Double seal for enhanced performance 10 micron replacement capability Replacement for: Mercury 35-60494-1
  • R12T Fuel Filter/Water Separator Marine Fuel Filter Spin- on Racor 3/8 Fuel Filter 120AT NPT ZG1/4-19 fit Gasoline Engine and Diesel Engine
    Bestseller #1
    R12T Fuel Filter/Water Separator Marine Fuel Filter Spin- on Racor 3/8 Fuel Filter 120AT NPT ZG1/4-19 fit Gasoline Engine and Diesel Engine (29)
      Fitment:Gasoline Engine and Diesel Engine.Part Number: Replaces Racor S3240 R12T 120AT; Replaces Sierra 18-7987; Replaces RK10222 Easy to replace:R12T disel fuel filter and gasoline fuel filter water separator is equipped with a self-draining drain to remove unnecessary dirt and water, the boat fuel filter design is easy to replace, and the reusable transparent nylon collection bowl. Features:fuel water separator filter Upgraded version 4 micron filters are over 99% efficiency at removing particles as small as 4 microns.4 micron filters are recommended to protect sensitive inboard,sterndrive and outboard fuel injection systems. Excellent corrosion resistance:the filter unit coated with a durable coating of electrostatic powder coating, having excellent corrosion resistance. Flow rate:30 GPH on the R12T model, your engine will perform better than ever with clean.Multi-channel feeding,the inlet and out let can be fed on the same side or on different sides.
  • iFJF 802893Q01 Fuel Water Separator Kit 10 Micron 18-7983-1 Filters for Replacing Mercury 35-807172 35-60494-1 18-7944 Marine 35-55501 35-57250 35-806771 35-802893T 35-802893Q ABB-FUELF-IL-TR
    Bestseller #1
    iFJF 802893Q01 Fuel Water Separator Kit 10 Micron 18-7983-1 Filters for Replacing Mercury 35-807172 35-60494-1 18-7944 Marine 35-55501 35-57250 35-806771 35-802893T 35-802893Q ABB-FUELF-IL-TR (526)
      Attention:Please tighten the filter by yourself when installing it. 10 micron filters are over 90% efficiency at removing particles as small as 10 microns. Recommended to protect sensitive inboard,sterndrive and outboard fuel injection systems. All filters flow 90 GPH to feed even the hungriest motor. Replaces: Mercury 35-807172,35-60494-1,35-802893Q01,35-55501,35-57250,35-806771,35-802893T,ABB-FUELF-IL-TR.
  • Dodge Ram 6.7 Liter Diesel Fuel Filter Water Separator Set Mopar OEM
    Bestseller #1
    Dodge Ram 6.7 Liter Diesel Fuel Filter Water Separator Set Mopar OEM (807)
      Standard Replacement Oil Filter It offers dependability and reliability that meets the OEM oil filtration specifications. It has a fluted shell that simplifies removal from underneath. It contains Cellulose Filter Media for containment removal.
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