K&N Engineering SU-4002 High-Flow Replacement Air Filter for Kawasaki KFX400, Suzuki LT-Z400, and Arctic Cat DVX400

The K&N High-Flow Air Filter for SxS / ATV, UTV is engineered to increase airflow for improved horsepower, acceleration, and throttle response while protecting your engine. Built with premium oiled cotton gauze, this washable and reusable air filter offers a precision OEM-style fit and rugged construction for long-lasting performance on the trail, in the dunes, or on the job. The K&N High-Flow Air Filter for SxS / ATV, UTV is engineered to increase airflow for improved horsepower, acceleration, and throttle response while protecting your engine. Associated products: SU-4002PK Air Filter Wrap, 99-5000 Filter Care Service Kit Aerosol

• Designed to provide increased horsepower and acceleration specifically developed for Off-Road, Motocross, ATVs, UTVs and Side by Sides
• BUILT FOR DURABILITY: High dust holding capacity and rugged construction designed to perform in demanding driving conditions.
• Fits directly into OEM air box with application specific sealing bead ensuring a precise fit
• Pleated media provides a large filtration area offering long service intervals
• No fuel management modifications are required to obtain increased performance
• Multiple layers of woven cotton gauze media offers excellent filtration
• Washable & reusable, most are pre-oiled and ready to ride
• One Year Limited Warranty

The K&N Engineering SU-4002 High-Flow Replacement Air Filter is designed for select Kawasaki KFX400, Suzuki LT-Z400 QuadSport Z, and Arctic Cat DVX400 ATVs. Its high-flow cotton gauze media helps increase airflow for improved horsepower, acceleration, and throttle response while providing dependable engine protection in demanding off-road conditions.

Built for trail riding, motocross, dunes, and utility use, the SU-4002 features a rugged, washable, and reusable design for long-term value. The pleated filtration media provides a large filtering area and high dust-holding capacity, supporting extended service intervals. Multiple layers of woven cotton gauze help capture dirt and debris, while the application-specific sealing bead provides a precise OEM-style fit directly in the factory air box. No fuel-management modifications are required to obtain the filter's intended performance benefits.

This pre-oiled K&N Engineering replacement filter is ready to install and includes a one-year limited warranty. For additional protection in especially dusty environments, it is compatible with the K&N SU-4002PK Air Filter Wrap. Filter maintenance can be performed with the K&N 99-5000 Filter Care Service Kit Aerosol. This product may require acknowledgment of applicable emissions-related information before installation.

What's Included

• One K&N Engineering SU-4002 washable, reusable replacement air filter
• Pre-oiled filter element ready for installation

Fitment

Fits 2003-2006 Kawasaki KFX400, 2003-2009 Suzuki LT-Z400 QuadSport Z, and 2004-2008 Arctic Cat DVX400 applications, including the 2004-2006 Arctic Cat DVX400 TS where applicable. Verify vehicle fitment before purchase.

Features:

• Airflow Performance: High-flow media is engineered to support improved horsepower, acceleration, and throttle response on off-road vehicles.
• Rugged Filtration: High dust-holding capacity and durable construction help protect the engine in demanding trail, dune, motocross, and utility conditions.
• OEM-Style Fit: Application-specific sealing bead fits directly into the factory air box for reliable installation and sealing.
• Washable and Reusable: Pre-oiled cotton gauze media can be cleaned and reused, helping extend service life and reduce replacement frequency.

Fitments:
2003 Kawasaki KFX400 Base
2003 Suzuki Lt-Z400 QuadSport Z Base
2004 Arctic Cat DVX 400 Base
2004 Kawasaki KFX400 Base
2004 Suzuki Lt-Z400 QuadSport Z Base
2005 Arctic Cat DVX 400 Base
2005 Kawasaki KFX400 Base
2005 Suzuki Lt-Z400 QuadSport Z Base
2006 Arctic Cat DVX 400 Base
2006 Arctic Cat DVX 400 TS Base
2006 Kawasaki KFX400 Base
2006 Suzuki Lt-Z400 QuadSport Z Base
2007 Arctic Cat DVX 400 Base
2007 Arctic Cat DVX 400 TS Base
2007 Suzuki Lt-Z400 QuadSport Z Base
2008 Arctic Cat DVX 400 Base
2008 Suzuki Lt-Z400 QuadSport Z Base
2009 Suzuki Lt-Z400 QuadSport Z Base
2012 Suzuki Lt-Z400 QuadSport Z Base
2012 Suzuki LT-Z400 QuadSport Z LE Base
2013 Suzuki Lt-Z400 QuadSport Z Base

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: powersports
Epa: N/A
Regular Stock: t
Units Per Sku: 1