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K&N SU-4250 5.0 out of 5 stars 1 Customer Review
Replacement Filters > Replacement Air Filter

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SU-4250
 
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K&N off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with just a K&N filter element. K&N replacement air filters are washable and reusable and provide high air-flow with excellent filtration.

[More Information on Off-Road Motorcycle and ATV Air Filters]
  • Designed to provide increased horsepower and acceleration
  • Specifically developed for Off-Road, Motocross, ATVs, UTVs and Side by Sides
  • Pleated cotton media provides a large filtration area offering low restriction, high-capacity and long service intervals
  • Multiple layers of woven cotton gauze media offers excellent filtration
  • Fits directly into OEM air box with application specific sealing bead ensuring a precise fit
  • No fuel management modifications are required to obtain increased performance
  • Washable & reusable, most are pre-oiled and ready to ride!
  • One Year Limited Warranty


Product Specifications 
Air Filter Shape:Round
Filter Material:Cotton Gauze
Filter Re-Oiling Amount:0.6 oz (18 ml)
Flanges:None
Height:3.563 in (90 mm)
Inner Wire:No
Inside Diameter:3.625 in (92 mm)
Outside Diameter:5 in (127 mm)
Package Contents:1 Air Filter
Package Quantity:1
Part Number:SU-4250
Product Box Height:9.25 in (235 mm)
Product Box Length:5.63 in (143 mm)
Product Box Width:4.63 in (117 mm)
Product Style:Round Air Filter
Top Material/Finish:None
Top Style:Open
Weight:0.9 lb (0.41 kg)


Product Reviews      Review part SU-4250

 I am a firm believer in K@N products and the lifetime guarantee. K&N air filter is the first thing I buy for any car truck or atv that I own. I put a K&N air filter on my 1985 Suzuki LT250R 5 years ago, after all the racing and trail riding the filter has taken a beating. Called K&N service dept. and spoke with Emily about my old filter, they are sending me a brand new filter for free. Thank you Emily and K&N for the awesome service you provided me. I recommend K&N products to anyone!
Mark Dugan, Lawrence, Kansas