Fleetguard FF5421 Premium Spin-On Fuel Filter, Pack of 12

Cummins Inc.
M20 x 1 1/2 in.-6H INT
Product Type:
Micron Rating:
4 Micron
Pack of 12
14.00 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 FF5421 premium spin-on fuel filter meets or exceeds OE performance requirements and the challenges of modern technology. The filter is a truck component that removes contaminants from the engine oil by passing a small of oil from the main flow thorough a filter element that traps dirt and debris. The filter is used in heavy-duty trucks and industrial equipment, where high level of contaminants can cause damage to an engines if it is left unchecked. The spin-on design makes it easy to replace and helps to ensure that the engine remains protected form harmful particles.


  • High-efficiency filtration system to remove small particles
  • Helps to prolong the life of a truck's engine and improve its overall performance
  • Regularly replacing your truck's fuel filter with the FF5421 can help keep your vehicle running smoothly and prevent costly repairs down the line


  • Filter type: Particulate filter
  • Fluid: Fuel
  • Spin-on filter
  • Media type: StrataPore
  • Thread: M20 X 1.5-6H INT
  • No Standpipe
  • Efficient at 98% at 4 microns
  • Largest OD: 3.72 in.
  • Gasket OD: 2.78 in.
  • Gasket ID: 2.46 in.
  • Overall height: 7.58 in.
  • Pack of 12


  • Freightliner ISB6.7 engines
  • Ford 4BTAA, 6BTAA, 6B5.9, B3.9, ISBE, C8.3, 3.9L & 5.9L engines
  • Kenworth PX-6, PACCAR, ISB5.9, 4 CIL & 6 CIL
  • Cummins QSB4.5, QSB6.7, & QSB7-G4
  • Volvo EC60C D3.1D engine
  • Komatsu SAA6D107E-1 & SAA6D114E-3 engines
  • NEW Holland N67ENT, F4HFE613X, F5C, NEF & N67ENTengines

FF5421 Cross Reference

  • Replaces Fleetguard FF5790
  • New Holland 5802726986 & 71102624
  • Case IH 84534796, 87803199 & J978040
  • Cummins 3978040, 4897897, 5296730, 4894548 & 4897833
  • Atlas Copco 2653231452 and 3222999092
  • DAF 1705122, 1399760, 152640 & 1501319