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Water/Fuel Separators - Marine Parts House
Water/Fuel Separators - Marine Parts House
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Water/Fuel Separators

Need help finding the right part for your boat motor? Send us an email by clicking here or use our "Advanced Search" tool to search for an OEM number, GLM number, or Sierra number.

HOW TO CHOOSE THE CORRECT WATER/FUEL SEPARATOR

Water / Fuel Separators are categorized by their capacity to filter different sized dirt particles. Rated in Microns, (each micron is one millionth of an inch in diameter) marine filters will normally be available with elements capable of filtering 2 micron particles, 10 micron particles, or 28 micron particles. A marine filter capable of filtering 2 micron particles will clean the fuel more efficiently than a 28 micron filter but will be more restrictive to fuel flow. The 2 micron filter will also become dirty sooner and will need replacement more often. Fuel flow is rated in Gallons Per Hour (GPH). A typical 350/5.7L inboard engine will require 27 GPH at 4,800 rpm, a 454/7.4L inboard engine will require 37 GPH at 4,800 rpm. Selecting a fuel/water separator filter should be based on the amount of fuel the engine requires in GPH at wide open throttle. A 2 micron fuel filter is generally too restrictive for the average four stroke inboard engine and may separate the oil from the fuel in two stroke outboard engines. For this reason GLM sells only the 10 and 28 micron fuel filters. The 28 micron filter is the most common size fuel filter in the marine industry and is the standard replacement filter for all two stroke and four stroke marine engines. The GLM 28 micron filter exceeds all engine manufacturers’ specifications for particle filtering, water separating and fuel flow. The GLM 10 micron filter will provide exceptional filtering and only moderate fuel pressure loss. When used with sufficient sized fuel lines it will flow enough fuel for inboard engines up to 550 horsepower. It will not separate the oil from the gasoline on a two stroke outboard equipped boat. Because a 10 micron filter clogs faster than a 28 micron filter GLM recommends it only for boaters who are vigilant in replacing the water/fuel separator filter at regular intervals.

GLM Fuel Filter Features
  • 28 or 10 micron filter paper shaped into 70 pleats total 327 sq. in. filtration. The largest filtering capability in the aftermarket. (4)
  • BWG #11 heavy duty spring (6).
  • Gasoline resistant rubber seals (1) (3).
  • Oxidizing treatment inside powder coated outside for corrosion protection (5).
  • Minimum 196N.m. torgue strength between adaptor plate and canister (2).
  • Will not separate 2 cycle oil from gasoline!
Displaying 1 to 7 (of 7 products) Result Pages:  1 
    Model+   Product Name   Price   Buy Now 
 WATER SEPARATOR FUEL FILTER<BR>28 Micron<br />
Height 4 7/16"   24940   WATER SEPARATOR FUEL FILTER
28 Micron
Height 4 7/16"
 
 $5.99  Buy Now 
 WATER SEPARATOR FUEL FILTER<BR>28 Micron<br />
Height 3 3/4"   24941   WATER SEPARATOR FUEL FILTER
28 Micron
Height 3 3/4"
 
 $5.99  Buy Now 
 WATER SEPARATOR FUEL FILTER<BR>10 Micron<br />
Height 4 7/16"   24942   WATER SEPARATOR FUEL FILTER
10 Micron
Height 4 7/16"
 
 $6.99  Buy Now 
 DIE CAST ALUMINUM WATER/FUEL SEPARATOR BRACKET<BR>w/2 brass plugs and 2 extension tubes<br />
1/4" NPTF Ports<br />
(2 i<br />
...more->   25000   DIE CAST ALUMINUM WATER/FUEL SEPARATOR BRACKET
w/2 brass plugs and 2 extension tubes
1/4" NPTF Ports
(2 i
...more->
 
 $20.99  Buy Now 
 STAINLESS STEEL WATER/FUEL SEPARATOR BRACKET<BR>w/2 brass plugs and 2 extension tubes<br />
1/4" NPTF Ports<br />
(2 i<br />
...more->   25010   STAINLESS STEEL WATER/FUEL SEPARATOR BRACKET
w/2 brass plugs and 2 extension tubes
1/4" NPTF Ports
(2 i
...more->
 
 $61.99  Buy Now 
 DIE CAST ALUMINUM WATER/FUEL SEPARATOR BRACKET<BR>w/2 brass plugs and 2 extension tubes<br />
3/8" NPTF Ports<br />
(2 i<br />
...more->   25020   DIE CAST ALUMINUM WATER/FUEL SEPARATOR BRACKET
w/2 brass plugs and 2 extension tubes
3/8" NPTF Ports
(2 i
...more->
 
 $29.99  Buy Now 
 STAINLESS STEEL WATER/FUEL SEPARATOR BRACKET<BR>w/2 brass plugs and 2 extension tubes<br />
3/8" NPTF Ports<br />
(2 i<br />
...more->   25030   STAINLESS STEEL WATER/FUEL SEPARATOR BRACKET
w/2 brass plugs and 2 extension tubes
3/8" NPTF Ports
(2 i
...more->
 
 $48.99  Buy Now 
Displaying 1 to 7 (of 7 products) Result Pages:  1 
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