K&N High-Flow Air Filter for Kawasaki and Suzuki (SU-4000)

Upgrade your motorcycle’s air intake with the K&N SU-4000 High-Flow Air Filter, designed for a direct fit in the original equipment airbox on select Kawasaki and Suzuki applications. Its application-specific sealing bead helps create a precise, reliable fit, supporting consistent filtration and dependable performance without requiring fuel-management modifications. The filter is engineered to increase airflow while maintaining effective protection for the engine.
The pleated filter media provides an expanded filtration area compared with conventional flat filter designs, helping support longer service intervals and efficient air delivery. The K&N SU-4000 is washable and reusable, offering a durable alternative to disposable replacement filters. It arrives pre-oiled and ready to install, making it a practical performance upgrade for routine maintenance or replacement of a worn factory filter.
Designed and manufactured in the USA, this K&N high-flow air filter combines application-specific fitment with reusable construction and performance-focused filtration. Confirm vehicle compatibility before installation, and follow the manufacturer’s cleaning and re-oiling instructions to help maintain filtration efficiency and service life.

Features:

• Direct-fit design installs into the OEM airbox on compatible Kawasaki and Suzuki models

• Application-specific sealing bead helps provide a precise fit

• Supports increased airflow and performance without fuel-management modifications

• Pleated filter media provides a large filtration area for extended service intervals

• Washable and reusable construction reduces the need for frequent disposable filter replacements

• Pre-oiled and ready to install

• Made in the USA

Ships from Parts Unlimited.