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K&N YA-4001 5.0 out of 5 stars 1 Customer Review
Replacement Filters > Replacement Air Filter

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YA-4001
 
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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
Available Information
YA-4001 Cross Reference
Installation Instruction Sheet
YA-4001 Vehicle Applications


Part YA-4001 Product Specifications
Product Style: Round Air Filter
Height: 5.875 in (149 mm)
Inner Wire: No
Inside Diameter: 1.938 in (49 mm)
Outside Diameter: 3.938 in (100 mm)
Top Style: Rubber
Top Material/Finish: None
Air Filter Shape: Round
Filter Material: Cotton Gauze
Flanges: None
Package Contents: 1 Air Filter, 1 K&N 1oz Sealing Grease
Package Quantity: 1
Filter Re-Oiling Amount: 0.49 oz (15 ml)
Weight: 0.59 lb (0.27 kg)
Product Box Length: 4.63 in (117 mm)
Product Box Width: 4.63 in (117 mm)
Product Box Height: 7.25 in (184 mm)



Product Reviews      Review part YA-4001

 I have been a fan of K&N products for over 40 years. I have put K&N air filters on every vehicle I have owned and they have worked superbly. Ordering from your website was quick and easy and the filter arrived within a few days. I will definitely order from you again.
Penelope Robinson, Rimrock, Arizona