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SKU: SU-4002 | UPC: 024844101020
K&N Replacement Air Filter for 03-06 Kawasaki KFX400 / 03-09 Suzuki LTZ400 / 04-08 Arctic Cat DVX400
The K&N SU-4002 is a direct replacement air filter designed for off-road ATVs including 2003-2006 Kawasaki KFX400 2003-2009 Suzuki LT-Z400 QuadSport Z and 2004-2008 Arctic Cat DVX400. This washable reusable filter delivers high airflow for clean carburetion at high altitudes while increasing horsepower and acceleration without jet changes. It fits precisely into the OEM airbox ensuring reliable performance in dusty conditions.
Key Features
- High Airflow Filtration: Multiple layers of pleated woven cotton gauze provide excellent dirt filtration with low restriction for high capacity and long service intervals
- Increased Performance: Boosts horsepower and acceleration through superior airflow no fuel management modifications needed
- Direct OEM Fit: Application specific sealing bead drops into factory airbox for precise seal and easy installation
- Washable Reusable: Pre-oiled and ready to ride clean with K&N cleaning kit for repeated use
- Off-Road Ready: Built for motocross ATVs UTVs side-by-sides handles dirty dusty riding even at elevation
Product Notes
- Pre-oiled media ensures immediate use upon arrival
- Wash and re-oil every 50000 miles or annually for maintenance
- Packaged in protective box dimensions 9.25 x 7.5 x 2 inches
Installation Notes
- Professional installation recommended.
- Remove OEM filter and install directly no cutting or drilling
- Compatible with stock airbox hardware no additional parts required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2008 | Arctic Cat | DVX 400 | Base |
| 2006-2007 | Arctic Cat | DVX 400 TS | Base |
| 2003-2006 | Kawasaki | KFX400 | Base |
| 2003-2009 | Suzuki | LT-Z400 QuadSport Z | Base |
| 2012-2013 | Suzuki | LT-Z400 QuadSport Z | Base |
| 2012 | Suzuki | LT-Z400 QuadSport Z LE | Base |
Why Choose K&N?
- Proven track record since 1969 in air filtration engineering
- High flow cotton media construction for durable protection
- Exact fit engineering for seamless integration with OEM setups
Frequently Asked Questions
-
Q: Will this fit my 2005 Kawasaki KFX400?
A: Yes SU-4002 confirmed direct fit for all 2003-2006 Kawasaki KFX400 models drops into OEM airbox -
Q: What material is used in the filter media?
A: Multi-layer pleated cotton gauze pre-oiled for optimal filtration and airflow -
Q: What is the warranty coverage?
A: Backed by One Year Limited Warranty against defects in materials workmanship
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock - ships same or next business day
- Packaging: Original K&N box 9.25 x 7.5 x 2 inches
- Weight: 4.8 oz product weight 8 oz shipping weight
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