K&N Filters air filter details
K&N Filters Honda Replacement Air Filter for Honda GX240/GX270/GX340/GX390 (KNNE-4967)
The K&N Filters Honda Replacement Air Filter for Honda GX240/GX270/GX340/GX390 (KNNE-4967) is designed to replace the factory air filters used in Honda small engines. Ideal for a wide range of industrial and commercial equipment, this air filter helps maintain airflow and engine performance in demanding work environments. Whether used in construction, landscaping, or other heavy-duty applications, this replacement filter offers a direct fit for GX-series engines, ensuring consistent performance and extended engine life.
Features and Specifications:
Vehicle Fitment: Compatible with Honda GX240, GX270, GX340, and GX390 engines.
Engineered Power: Delivers up to 50% more airflow than paper filters for improved power and acceleration.
Easy Installation: Pre-oiled and ready to drop into the factory air box, no tools required.
Cost Savings: Replacing disposable filters saves up to $250 over 10 years.
Eco-Friendly: Washable and reusable design reduces environmental waste.
Engine Protection: Blocks harmful contaminants to extend engine life.
Low Maintenance: Up to 50,000 miles before cleaning is needed under normal conditions.
Made in USA: Proudly manufactured with high-quality materials.
Race Proven: Official Air Filter of NASCAR-built for performance.
Product identification
- Brand: K&N Filters
- Model / MPN: KNNE-4967
Air filter replacement: see the listed specifications for this model.




