K&N 2000-2009 Suzuki DRZ400 Replacement Air Filter - SU-4000

K&N Engineering is a renowned leader in high-performance air filtration and induction systems, dedicated to providing superior airflow, engine protection, and enhanced performance. Made in the USA, K&N designs and manufactures a wide range of products, including washable air filters, cold air intakes, and performance air filtration systems, for vehicles, motorcycles, trucks, and more. With over 50 years of innovation, K&N utilizes advanced cotton-gauze technology to deliver exceptional filtration while boosting horsepower and fuel efficiency. Trusted by automotive enthusiasts and racing professionals worldwide, K&N Engineering continues to set the standard for quality, durability, and performance in the automotive industry.

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.

Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
2003	Kawasaki	KLX400R	Base
2003	Kawasaki	KLX400SR	Base
2000-2017	Suzuki	DR-Z400	Base
2000-2018	Suzuki	DR-Z400E	Base
2000-2024	Suzuki	DR-Z400S	Base
2005-2010,2013-2024	Suzuki	DR-Z400SM	Base

Fitment Years: 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.