K&N Replacement Air Filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. K&N air filters are washable and reusable and provide high air-flow with excellent filtration.
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.
  • Designed to provide increased horsepower and acceleration

Application Summary:

Year Make/Model
2003 Kawasaki KLX400R
2003 Kawasaki KLX400SR
2000-2016 Suzuki DR-Z400
2000-2016 Suzuki DR-Z400E
2000-2024 Suzuki DR-Z400S
2005-2010 Suzuki DR-Z400SM
2013-2024 Suzuki DR-Z400SM
Attributes
Air Filter Color Red
Air Filter Large End Diameter 6.313 in (160 mm)
Air Filter Material Cotton Gauze
Air Filter Shape Tapered Conical
Alternate Part Number SU-4000
Base Inside Diameter 5.125 in (130 mm)
Base Outside Diameter 6.313 in (160 mm)
California Proposition 65 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Country of Origin (Primary) US
Emission Code Legal US
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.64 oz (19 ml)
Flange Angle 0 degrees
Flange Inside Diameter 0 in (0 mm)
Flange Length 0 in (0 mm)
Flanges None
Frame Design Flexible
GTIN 00024844080622
Harmonized Tariff Code (Schedule B) 8421310000
Hazardous Material Code N
Height 3 in (76 mm)
Inner Wire No
Item Type High Performance
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
Oil Included Yes
Package Contents 1 Air Filter, 1 K&N 1oz Sealing Grease
Package Material Paperboard
Package Quantity 1
Package Type Box
Pre-Screened No
Product Box Height 8.63 in (219 mm)
Product Box Length 8.5 in (216 mm)
Product Box Width 3.63 in (92 mm)
Product Style Tapered Conical Air Filter
SDR Required Flag N
Top Material None
Top Outside Diameter 5.438 in (138 mm)
Top Style Rubber
Warranty 1 Year Limited
Warranty Time 12
Washable Yes
Weight 1.1 lb (0.5 kg)

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K&N SU-4000 Replacement Air Filter

Product Information

  • Brand: K&N
  • Product Number: SU-4000

Vehicle Fitment