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K&N Air Filter Foam Precleaner Wrap SU-2391


  • Stops 90 Percent of the Dirt
  • Only Adds 2 Percent Resistance
  • For Use in Very Dusty Conditions
  • Washable and Re-useable Open Cell Foam
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Pricing: $17.04


The K&N Airforce Pre-Cleaner is a specially designed foam filter wrap made to extend the service interval of your K&N Filtercharger when used in very dusty conditions. They are made from large, open cell foam. The Airforce Pre-Cleaner will stop 90 percent of the dirt, yet only add a 2 percent restriction to the airflow of the filter. The Airforce Pre-Cleaner is designed to be used with K&N Filter Oil and must be cleaned with K&N Cleaner or soap and water.

Application List

1987-1993 Suzuki LT230E Quadrunner

1986-1987 Suzuki LTF230

1985-1986 Suzuki LT230G


Color: Red

Material Used: Foam

Base Inside Width: 4.5 in (114 mm)

Base Inside Length: 3.25 in (83 mm)

Top Inside Width: 2 in (51 mm)

Top Inside Length: 3 in (76 mm)

Height: 4 in (102mm)


  • 25-2391
  • 25-2391
  • K&N
  • New

Shipping Information

  • Item Requires Shipping
  • 0.0 lbs.
  • W4.5000” x H10.0000” x L8.5000”

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