Fleetguard FS1003 Fuel/Water Separator Spin-On Filter, Pack of 6

Cummins Inc.
1-1/4 in. UNS-2B
Product Type:
Particulates and Water
Micron Rating:
7 Micron
Pack of 6
7.00 LBS
WARNING: This product may contain a chemical known to the State of California to cause cancer & reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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The Fleetguard FS1003 fuel water separator spin-on filter removes water and other particulates to ensure clean fuel is delivered to the engine. This filter ensures the efficient running of the engine by providing advanced filtration media to prevent water-related corrosion. The FS1003 filter is easy to install and maintain, making it a great choice for your vehicle. The high-performance filter is for use with several Cummins engine series, providing optimal efficiency.


  • Diesel fuel water separator filter features a spin-on drain valve at the bottom of the filter
  • The filter contains patented StartaPore filtration media
  • Filter is an upgraded version of the FS1003 fuel filter


  • Filter type: Fuel/water separator
  • Diesel filter
  • Spin-on filter
  • StrataPore Media type
  • Thread size: 1-14 UNS-2B
  • 98.7% efficiency at 7 micron
  • 95% emulsified water and free water separation
  • Standpipe
  • Largest OD: 3.69 in.
  • Length/Height: 9.79 in.
  • Gasket ID: 2.46 in.
  • Gasket OD: 2.83 in.
  • Seam OD: 3.68 in.


  • Freightliner ISB 5.9, ISL9, ISM11, ISB6.7, and N14 engines
  • International ISM11, L9, N14 and ISC8.3 engines
  • Ford ISB6.7 and N14 engines
  • Peterbilt C10, PX-6, PX-7, PX-8, PX-9, ISL9 and ISC8.3 engines
  • Kenworth PX-6, PX-7, PX-8, PX-9, ISL9, ISM11, ISM07 and ISL07 engines
  • Mack ISL9, ISC8.3 and L9 engines
  • Cummins ISC05, ISL9, ISM11, QSC, QSL, QSM11-G3, QSM11-G4 and ISM07 engines
  • Blue Bird ISB6.7, L9, and ISC8.3 engines
  • Western Star DD13, ISL9 and ISM11 engines
  • Ram 5500 ISB6.7 engines
  • Dodge 5500Cab ISB6.7 engines
  • JCB QSB6.7 engines
  • Integrated Coach B6.7 and ISB6.7 engines
  • Sterling Truck MBE906, ISM11 & ISC8.3 engines
  • Gillig ISM11, L9 and ISL9 engines
  • Autocar 8.3L, ISC, ISL9, ISM11, L9 and ISC8.3 engines
  • New Flyer ISL9 engines

FS1003 Cross Reference

Case IH 87307432 & 87302104
BMC Trucks 9P919293
CNH 6904023
Cummins 3406889 & 4070801
Xcmg 800155531
Atlas Copco 5580006640
New Holland 76195122 & 8900129805
PPM S6450550
Tata 227047709902
Wirtgen 2056637
Miller 21.41069 & 2141069
Sany B22210000462


Specifications (PDF Download)