Marine Fuel Filters

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Seasense In-Line Fuel Filter
    Your boat engine will operate at peak performance when you install the SeaSense In-Line Fuel Filter. This universal in-line filter protects your …
    List price: $10.99
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    $9.51
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    Seasense Fuel/Water Canister
      Pumps require water and fuel separator filter to eliminate contamination from water. An old and worn out filter can cause problems in your pump and …
      List price: $7.69
      Starting at:
      $6.77
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      Seasense In-Line Fuel Filter Replacement
        Affirm the safety of your fuel systems with the SeaSense In-Line Fuel Filter Replacement. This universal in line replacement filter prevents …
        List price: $5.59
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        $4.86
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        Water Separating Fuel Filter Kit
          Fuel water separator filter with bracket. Replaces 35-60494A4. Includes, 18-7845 filter, 18-7853 bracket. Not to be used on 1992 GenII 4.3L and 4.3LX …
          List price: $39.16
          Starting at:
          $33.99
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          Fuel Filter / Water Separator
            Ensure effective functioning of the fuel pump without troublemaking solid contaminants and water by fixing the SeaSense Fuel Filter / Water Separator. …
            List price: $31.99
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            $27.70
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            Sierra Inline Fuel Filters
              Did you know even the smallest of dust particles and rust can damage your boat engine? Protect the “heart” of your water craft with the …
              List price: $9.98
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              $7.99
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              Mercury/Mariner Fuel Filters
                Replace the damaged and worn out fuel filters in your boat with the Sierra Fuel Filter Mercury/Mariner. These are high quality filters that are …
                List price: $7.16
                Starting at:
                $5.99
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                Johnson/Evinrude Fuel System
                  Contaminates like water and dirt get into fuel lines, causing reduction in the efficiency of pumps. Fuel filters ensure that these pollutants do not …
                  List price: $9.41
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                  $7.99
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                  Sierra Clearview Fuel Filter Kit
                    Ensure that the fuel lines are free from contamination when you use the Sierra Clearview Fuel Filter Kit. The clearview body of the fuel filter …
                    List price: $16.10
                    Starting at:
                    $13.99
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                    Yamaha Fuel Filters
                      For proper functioning of your boat's pump, it is highly essential that you have a check on its filtration system. Damaged fuel filters will not …
                      List price: $7.85
                      Starting at:
                      $6.99
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                      Clear Site Water Separating Fuel Filter Canister Only
                        Extend the fuel filter's life time by using Clear Site Water Separating Fuel Filter Canister. This canister protects the filter from water and other …
                        List price: $26.49
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                        $23.06
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                        Moeller In-Line Fuel Filter
                          The Moeller In-Line Fuel Filter effectively traps dirt and other metallic particles in the fuel line. By removing such unwanted debris, the filter …
                          Starting at:
                          $5.72
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                          Moeller Clear View In-Line Fuel Filter
                            The Moeller Clear View In-Line Fuel Filter efficiently traps dirt particles and other metallic pieces to ensure the fuel that reaches the engine is …
                            List price: $9.29
                            Starting at:
                            $9.22
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                              Get the Sierra Bowl O-Ring for replacing the old O-ring in the collection bowls. This O-ring perfectly fits Sierra standard metal and AquaVue™ …
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                              $6.99
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                              Marine Water Separating Fuel Filter
                                Ensure that the fuel in your boat's pump is free from unwanted contamination due to water and dirt when you install the SeaSense Marine Water …
                                List price: $12.89
                                Starting at:
                                $10.83
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                                Filter Kit - 10 Micron 2 filters - Marpac
                                  * Exclusive MarPlate filter head material increases corrosion protection * High flow filter head designed with 3/8 NPT ports * 10 Micron filtration …
                                  List price: $45.98
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                                  $39.08
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                                  Replacement Cannister - Marpac
                                    * For all 2 & 4 Cycle engines * High Efficiency 10 Micron Media filters out 99% of water and 98% of contaminates * Maximum Media surface area for …
                                    List price: $26.98
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                                    $22.93
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                                    Racor Inside Kit with Composite Head - Marpac
                                      * For all 2 & 4 Cycle engines * High Efficiency 10 Micron Media filters out 99% of water and 98% of contaminates * Maximum Media surface area for …
                                      List price: $69.98
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                                      $59.48
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                                      MarPlate Fuel/Water Separator Kit - Marpac
                                        * Exclusive MarPlate filter head material increases corrosion protection * High flow filter head designed with 3/8 NPT ports * 10 Micron filtration …
                                        List price: $38.98
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                                        $33.13
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                                        Replacement Fuel/Water Separator Clear Bowl w/Viton O Ring - Marpac
                                          * For all 2 & 4 Cycle engines * High Efficiency 10 Micron Media filters out 99% of water and 98% of contaminates * Maximum Media surface area for …
                                          List price: $33.98
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                                          $28.88
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                                            * Universal style fits filters with 11/16 threads * 3/8 ports for maximum fuel flow * Corrosion resistant, light weight, MarPlated aluminum
                                            List price: $27.98
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                                            $23.78
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                                            10 Micron Fuel/Water Separator kit w/Stainless Steel Head - Marpac
                                              * Stainless steel filter head delivers corrosion resistance * High flow filter head design with 3/8 NPT ports * 10 Micron filtration ensures fuel …
                                              List price: $69.98
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                                              $59.48
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                                              Fuel/Water Separator w/clear bowl - Marpac
                                                * For all 2 & 4 Cycle engines * High Efficiency 10 Micron Media filters out 99% of water and 98% of contaminates * Maximum Media surface area for …
                                                List price: $59.98
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                                                $50.98
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                                                Fuel/Water Separator 10 Micron w/composite head - Marpac
                                                  * Composite filter head eliminates corrosion * High flow filter head designed with 3/8 NPT ports * 10 Micron filtration ensures fuel arrives at the …
                                                  List price: $29.98
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                                                  $25.48
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                                                  Racor Fuel/Water Separator w/Stainless Steel head - Marpac
                                                    * 10 Micron filtration ensures fuel arrives at the outboard engine(s) clean of contaminants & water * Stainless steel filter head increases corrosion …
                                                    List price: $150.98
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                                                    $128.33
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                                                    Fuel/Water Separator, 10M - Marpac
                                                      * 10 Micron filtration ensures fuel arrives at the engine(s) clean of contaminates & water * E-10 ethanol compatible * Will not separate 2-cycle oil …
                                                      List price: $6.98
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                                                      $5.93
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                                                      10 Micron/Stainless Steel Head Fuel/Water Separator - Marpac
                                                        * Stainless steel filter head delivers corrosion resistance * High flow filter head design with 3/8 NPT ports * 10 Micron filtration ensures fuel …
                                                        List price: $71.98
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                                                        $61.18
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                                                        In Line Filter Kit - Marpac
                                                          * Superior filtering * Transparent housing * Fits all boats, cars & trucks using carbureted fuel systems * Easy Do-It-Your-Self installation * …
                                                          List price: $11.98
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                                                          $10.18
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                                                          Racor Filter Kit w/Inside Stainless Steel Head - Marpac
                                                            * For all 2 & 4 Cycle engines * High Efficiency 10 Micron Media filters out 99% of water and 98% of contaminates * Maximum Media surface area for …
                                                            List price: $129.98
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                                                            $110.48
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                                                              * Stainless steel filter head delivers corrosion resistance. * High flow filter head design with 3/8 NPT ports. * 10 Micron filtration ensures fuel …
                                                              List price: $47.98
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                                                              $43.28
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                                                              E.Z. View Universal In-Line Fuel Filter 3PK - Marpac
                                                                * Superior filtering * Transparent housing * Fits all boats, cars & trucks using carbureted fuel systems * Easy Do-It-Your-Self installation * …
                                                                List price: $6.98
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                                                                $5.93
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                                                                Filter Kit 2-10 Micron/Composite Head - Marpac
                                                                  * Composite filter head eliminates corrosion * High flow filter head designed with 3/8 NPT ports * 10 Micron filtration ensures fuel arrives at the …
                                                                  List price: $35.98
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                                                                  $30.58
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                                                                  60 Items | 1 of 2 pages
                                                                   1 2
                                                                  Boating Know How
                                                                  The Real Facts About Fuel Water Separating Filters (Video)
                                                                  Video presentation on the difference between the Mallory water fuel separators and other competitors. - Presented by Mallory Marine ... read more



                                                                  Video Transcript

                                                                  Hi, I’m Jim Self from Mallory Marine. Mallory Marine continues to lead the filtration market with some of the highest quality filters in the business. Their leadership began when we came out with our first ten micron water separator. One of the first ones on the market.

                                                                  Due to the popularity, some of our competitors have come out with their own ten micron filters, and tried to discredit the quality of ours versus theirs with some misleading claims.

                                                                  Their new 10 micron fuel water separator filter is superior due to their larger filter element and more filter media. Their claim would be completely accurate if we are talking about oil filters, but we’re not. Fuel water separators are designed using different principles for different intended functions.

                                                                  Filtration technology is vastly different when comparing fuel water separators to oil filters. With a fuel water separator you want to have enough filter media here to not impede the fuel flow when maximizing your water hold capacity. Remember, the purpose of this is to separate water from the fuel.

                                                                  No filter media will completely block water. The key to the design is to prevent water from coming in constant contact with the filter media as long as possible. To prolong service life, and maximize your water hold capacity.

                                                                  With our competitor’s filter design the element sits much lower in the canister and is going to come into contact with the water much sooner. Which is going to allow water to pass through into the fuel system.

                                                                  With our filter design we have twice the water holding capacity and a much longer service life.

                                                                  Don’t be fooled by our competitors misleading claims.

                                                                  Mallory features superior filtration and water holding capacity; Holds 2 times more water before coming in constant contact with the filter media; High efficiency 10 micron filter media; More than 90% efficiency at 10 micron particle removal; Superior resistance to water permeation; 90 plus gallons per hour fuel flow; Meets ISO10088 and USCG Title 33 CFR183.590 fire test requirements; And is approved for use with all ethanol blended fuels.

                                                                  No matter what your filtration needs, Mallory has a wide variety of options, from our drainable, visible, high capacity, stand water fuel separators available with aluminum powder coated bracket and three sixteenths stainless steel.

                                                                  For more information on Mallory products, please go to our website at www.mallorymarine.com.
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                                                                  About Fuel Filters

                                                                  Change Fuel Filters Regularly


                                                                  If you've decided it is time to change or clean the fuel filter, there are a couple of basic types which are all easily serviced or replaced. Most motors utilize some form of an inline filter either between the fuel tank and pump or between the pump and carburetor(s) or fuel injection vapor separator tank.

                                                                  Some inline filters are solid metal or clear plastic housings which are clamped in the middle of two fuel supply hoses. This style is easily removed and replaced by undoing the clamps and carefully pulling the hoses free of the filter inlet and outlet nipples.

                                                                  Other inline filters consist of a 2 piece plastic or metal housing where a fuel filter bowl can be removed from a filter cap. The bowl often threads into position or is secured by a knurled knob which can be loosened by hand in order to remove the bowl. Inside the bowl or cap of this style filter you'll find a removable filter screen. If the screen is not damaged it can be rinsed in solvent and air dried (or VERY carefully blown dry using low-pressure compressed air). When in doubt, this type of filter screen is easily and inexpensively replaced.


                                                                  Before checking the fuel pump, make sure you've got clean fuel filter/water separators. Finally, many boats and some motors are rigged using a disposable spin-on fuel filter or fuel filter and water separator. These filters resemble automotive oil filters and are removed or installed in exactly the same fashion. Often you'll want a strap or cap wrench for removal, as they tend to get stuck in place after a season's use. Once unthreaded, you'll normally find a small rubber gasket which again looks just like the gasket on an oil filter. Before installing a replacement spin-on fuel filter, be sure to lubricate the rubber gasket with a small dab of engine oil (again, just like with a spin-on oil filter) to ensure a good seal and to help make sure the filter comes off with ease next time you need to replace it.

                                                                  iboats.com carries an extensive line of fuel filters and water separators.