K&N's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide low restriction and increased performance, while providing excellent engine protection for your motorcycle.

  • Designed to provide increased horsepower and torque
  • Pleated media provides a large filtration area offering long service intervals
  • Multiple layers of woven cotton gauze media offers excellent filtration
  • Application specific base seal and sealing bead
  • Made in the USA for over 40 years
  • Washable & reusable, pre-oiled and ready to ride!
  • No-Hassle Lifetime Limited Warranty
Air Filter Shape Tapered Conical
Base Outside Diameter 6.313 in (160 mm)
Air Filter Material Cotton Gauze
Height 3 in (76 mm)
Inner Wire No
Top Outside Diameter 5.438 in (138 mm)
Top Style Rubber
Top Material None
Air Filter Color Red
Flanges None
Package Contents 1 Air Filter, 1 K&N 1oz Sealing Grease
Package Quantity 1
Warranty 1 Year Limited
Washable Yes
Product Style Tapered Conical Air Filter
Base Inside Diameter 5.125 in (130 mm)
Weight 1.1 lb (0.5 kg)
Filter Re-Oiling Amount 0.64 oz (19 ml)
Air Filter Large End Diameter 6.313 in (160 mm)

(KSU-4000_3)

SKU KSU-4000_3
Barcode # 24844080622
Brand K&N
Unit Of Measure each
Modified Item No
Custom Bundle No
Machine Type Motorcycle
Product Type Air Filter
Type Air Filter

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