Fleetguard FS1251 Fuel Water Separator Filter
Fleetguard FS1251 Fuel Water Separator Filter
BRAND: Fleetguard - Atmus Filtration Technologies | SKU: Fleetguard FS1251

Fleetguard FS1251 Fuel Water Separator Filter

$16.98 $26.21 $26.21 /
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Fleetguard Cummins Filtration Diesel Fuel Water Separator Filter For 4B, 4BTA, and 6CTA Diesel Engines

Fleetguard Fuel/Water Separator FS1251 is a High-efficiency filter that incorporates advanced filtration media to prevent water-related corrosion and ensure clean fuel systems.

The Fleetguard FS1251 fuel water separator filter benefits:

  • Removes 90 percent of the entrained water only from your diesel fuel
  • Removes 90 percent of the emulsified water only from your diesel fuel
  • Filters to a 20 Micron Level on the First Pass.
  • Contains an integrated water drain valve assembly.

Fleetguard FS1251 Specifications:

  • Outside Diameter 76.71 mm or 3.02 inches.
  • Overall Height 142.9 mm 5.62 inches
  • Thread Size M16 X 1.5-6H INT

Fleetguard Cummins Filtration FS1251 Diesel Fuel Water Separator Filter applications:

  • Cummins 4B3.9
  • Cummins 4BTA3.9C
  • Cummins 4BT3.9C
  • Cummins 4B3.9 0
  • Cummins 4BTA3.9-G2
  • Cummins 4BTA3.9-G3
  • Cummins 4BTA3.9-G4
  • Cummins 6BTAA
  • Cummins 6BTA5.9
  • Cummins 6BT5.9
  • Cummins 6CTA8.3
  • Cummins 8.3L

Fleetguard FS1251 Fuel Water Separator Cross References:

  • Agco 72515734
  • AWD A4027606
  • AWD FSW4101
  • Cummins 3286503
  • Cummins 3843760
  • Cummins 3903202
  • Baldwin BF-1226
  • Donaldson  J286503
  • Fram  P8043
  • NAPA 3472
  • Purolator F64424
  • Bosch F002H20308
  • Case J931062
  • Fleetguard FF5052

NOTE: The FS1251 water separator filter is an upgraded version of the Fleetguard FS1235 fuel filter. This diesel fuel water separator filter is designed for use with the Cummins 3311505S filter head.

The water separator filter is a spin engine spin-on type filter that removes both free and coarse water down to a 20 Micron level. The Fleetguard FS1251 Water Separator Filter meets today's high-pressure fuel systems requirements for entrained and emulsified water separation that causes injector tips to wear out prematurely. Installation is simple and will be leak-free because replacement seals are included with this Filter. This Water Separator is a direct OEM Cummins replacement filter.

KLM recommends regularly draining this fleetguard fuel water separator filter to remove the water contained within this filter. Periodically removing the water from this Fleetguard water separator filter will help to prevent freeze-ups in your vehicle fuel system during the winter months. KLM Performance recommends keeping a spare set of Fleetguard Replacement Filters in your vehicle at all times.

The Fleetguard Replacement Spin-On Fuel Water Separator Filter is MADE IN THE USA!

  • By KLM Performance
  • Engine : Cummins 3.9L | Cummins 5.9L | Cummins 8.3L 
  • Fuel Type: Diesel Fuel Filter
  • Filter Type: Diesel Fuel Water Separator Filter
  • Filtration Level: Twenty Microns Emulsified Water Separation 90 %. Free Water Separation 90 %. Efficiency, Twa By Sae J 1985 96 %.
  • Item Number: Fleetguard FS12518
  • Make: Cummins
  • Filter Type: Diesel Fuel Water Separator 
  • Year:  
  • Manufacturer Part No: FS1251
  • Product Application: Fleetguard FS1251 Fuel Water Separator Filter Without Water Sensor Cummins Spin On Diesel Fuel Water Separator Filter With Drain,
  • Height: 4
  • Width: 8
  • Brand: Fleetguard
  • FAQ: What is the lifespan of this diesel fuel water separator filter? The filter life is dependent upon the quality of fuel consumed and the drain interval to remove water from the filter. Frequent draining will promote a longer filter life.
  • Part Number: FS1251
  • Manufacturer: Fleetguard - Atmus Filtration Technologies
  • Product Note: This  Fuel Water Separator Filter is used as a direct replacement for the Cummins 3286503 and Cummins 3843760 filters.
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Customer Reviews

Based on 3 reviews
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S
Steven Collins
Great Quality

I've already noticed an improvement in fuel quality and efficiency. Extremely satisfied with my purchase. Thanks KLM

M
Mike Porter
Reliable Fuel Protection

The Fleetguard FS1251 provides reliable fuel protection. I trust this filter to keep my engine safe and efficient, and it hasn't disappointed me yet.

R
Rodney Hill
Excellent Fuel Filtration

The Fleetguard FS1251 Fuel Water Separator Filter has been doing an exceptional job in filtering out impurities and water from my fuel. My engine's performance has noticeably improved.

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