Fleetguard - Cummins Filtration

Fleetguard FS1003 Fuel Water Separator Filter

In Stock and Ready to Ship


Fleetguard FS1003

Fleetguard FS1003 Fuel Water Separator Filter

FS1003 Spin-On Fuel Water Separator Filter with Water In Fuel Sensor - WIF Sensor

The Fleetguard Cummins Filtration FS1003 Water Separator Is In Stock And Ready For Immediate Shipment!

The Fleetguard FS1003 Water Separator applications:

  • Cummins ISB series engines.
  • Cummins ISB02 series engines.
  • Cummins ISM series engines
  • Cummins ISM 02 series engines
  • Cummins ISB 6.7 series engines.
  • Cummins ISB 5.9 series engines.
  • PACCAR PX8 Engines

The premium-grade Diesel Fuel Water Separator Filter is designed for installation on the FH126 filter housing. 

Fleetguard FS-1003 Diesel Fuel/Water Separator specifications:

  • Overall Height is 248.67 mm or 9.79 in.
  • The largest OD is 93.73 mm or 3.69 in.
  • Seam OD            93.47 mm or 3.68 in.
  • Gasket OD          71.98 mm (2.834 in)
  • Gasket Inside Diameter    62.48 mm (2.46 in)
  • Thread Size     1-14 UNS-2B
  • Standpipe     Yes
  • Effectively Removes 95% of fuel's emulsified water content.
  • Effectively Removes 95% of fuels entrained water content.
  • Filtration Efficiency TWA BY SAE J 1985  98.7 %
  • This diesel fuel water separator filter is rated as a 7 Micron Filter

    Fleetguard FS1003 HD Series Replacement Water Separator benefits:

    • Removes the Emulsified Water
    • Removes Entrained Water from your diesel fuel.
    • This diesel fuel water separator filter features a spin-on drain valve at the bottom of the filter.
    • Filters at a 7 Micron level.
    • This diesel fuel filter contains the patented Stratapore filtration media.
    • This filter is an upgraded version of the FS1003 fuel filter.

    Fleetguard Diesel Fuel Water Separator Filter Cross References:

    • Baldwin BF1263-SP
    • Cummins 3954851
    • Donaldson P551103 
    • Fram PS8687
    • Napa 3604
    • Wix 33604

    KLM recommends regularly draining this Water Separator FS10003 filter to remove the water contained within this filter on a regular basis. Preventative maintenance will save you time and time with regard to future engine problems. Emulsified Water is the water that is dispersed within the diesel fuel that is effectively removed by the FS1003 Water Separator. Regularly removing the water from this FS1003 fuel filter will help to prevent freeze-ups in your vehicle's fuel system during the winter months.

    The Fleetguard FS1003 filter has an upgraded version for increased levels of diesel fuel filtration known as the Fleetguard FS19596 filter.

    FASS Fleetguard FS1003 Water Separator Replacement Filter is MADE IN THE USA! Fleetguard FS1006 10 Micron Diesel Fuel Water Separator

  • Engine Cummins ISC | Cummins ISL | Cummins ISLE | Cummins N14 | Cummins QSM | Cummins QSC | Cummins QSL | Mercedes MBE900 Series Engines
  • Fuel Type: Diesel Fuel
  • Filter Type: Fuel Water Separator Filter
  • Filtration Level: Ten Microns
  • Item Number: Fleetguard FS1003
  • Make: Fleetguard
  • Model
  • Year 
  • Manufacturer Part No: Fleetguard FS1003
  • Product Application: Fleetguard Water Separator Filter For Cummins ISC, ISL, ISLE, N14, QSM, QSC, QSL, and Mercedes MBE900 Series Engines
  • Height: 14
  • Width: 6
  • Brand: Fleetguard
  • FAQ: How often should I drain this Fleetguard Cummins Filtration FS1003 Water Separator Filter? The drain interval is dependent upon the miles driven and the quality of diesel fuel obtained. We recommend draining this filter at least once a month since all diesel fuel has some degree of water in it.
  • Part Number: FS1003
  • Manufacturer: Fleetguard Cummins Filtration
  • Product Note: The Fleetguard Cummins Filtration Diesel Fuel Water separators are designed to provide superior filtration to ensure the longevity of your entire fuel injection system.
  • Customer Reviews

    Based on 1 review Write a review