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.

Part KNSU-4000 Product Specifications
Product Style: Tapered Conical Air Filter
Air Filter Shape: Tapered Conical
Filter Material: Cotton Gauze
Base Outside Diameter: 6.313 in (160 mm)
Height: 3 in (76 mm)
Inner Wire: No
Top Outside Diameter: 5.438 in (138 mm)
Top Style: Rubber
Top Material/Finish: None
Flanges: None
Filter Re-Oiling Amount: 0.64 oz (19 ml)

Filter Cross Reference
Suzuki 1378044E00

2012 SUZUKI DRZ400S 398 - All
2011 SUZUKI DRZ400S 400 - All
2009 SUZUKI DRZ400SM 400 - All
2009 SUZUKI DRZ400S 400 - All
2008 SUZUKI DRZ400SM 400 - All
2008 SUZUKI DRZ400S 400 - All
2008 SUZUKI DRZ400E 400 - All
2007 SUZUKI DRZ400SM 400 - All
2007 SUZUKI DRZ400S 400 - All
2007 SUZUKI DRZ400E 400 - All
2006 SUZUKI DRZ400SM 400 - All
2006 SUZUKI DRZ400S 400 - All
2006 SUZUKI DRZ400E 400 - All
2005 SUZUKI DRZ400SM 400 - All
2005 SUZUKI DRZ400S 400 - All
2005 SUZUKI DRZ400E 400 - All
2004 SUZUKI DRZ400S 400 - All
2004 SUZUKI DRZ400E 400 - All
2003 SUZUKI DRZ400S 400 - All
2003 SUZUKI DRZ400E 400 - All
2003 SUZUKI DRZ400 400 - All
2003 KAWASAKI KLX400SR 400 - All
2003 KAWASAKI KLX400R 400 - All
2002 SUZUKI DRZ400S 400 - All
2002 SUZUKI DRZ400E 400 - All
2002 SUZUKI DRZ400 400 - All
2001 SUZUKI DRZ400S 400 - All
2001 SUZUKI DRZ400E 400 - All
2001 SUZUKI DRZ400 400 - All
2000 SUZUKI DRZ400S 400 - All
2000 SUZUKI DRZ400E 400 - All
2000 SUZUKI DRZ400 400 - All

Product Reviews for KNSU-4000 - K&N