Uni Filter Air Filter for Yamaha (NU-2239ST)

Improve engine air filtration with the UNI Filter NU-2239ST Air Filter, designed as a direct-fit replacement for select Yamaha applications. Built for riders who need dependable filtration, strong airflow, and simple maintenance, this reusable filter helps protect the engine from dirt and debris while supporting consistent performance in demanding riding conditions.
The two-stage foam design separates for maximum airflow and thorough cleaning. When service is needed, clean the filter with grease-cutting dishwashing detergent, apply oil, and reuse it indefinitely when maintained according to the manufacturer’s recommendations. This washable and reusable construction provides a practical alternative to disposable filters while helping maintain reliable filtration over time.
The Ultra Seal grease groove on the sealing surface helps create a secure barrier against contaminants. The UNI Filter NU-2239ST fits the stock airbox like an OEM filter, making installation straightforward without requiring airbox modifications. Made in the USA, this Yamaha replacement air filter combines durable construction, serviceable materials, and proven filtration performance for regular maintenance and off-road use.

Features:

• Reusable foam construction: Clean, oil, and reuse the filter for long-term service.

• Two-stage air filter: Separates for maximum airflow and thorough cleaning.

• Grease-cutting maintenance: Cleans easily with dishwashing detergent before re-oiling.

• Ultra Seal grease groove: Enhances sealing against dirt and debris at the filter surface.

• OEM-style fit: Fits the stock Yamaha airbox like the original filter.

• Made in the USA: Manufactured in the United States for dependable quality.

Ships from Parts Unlimited.