K&N Engine Air Filter KNX-2247 – 24,000 Mile Life for Dodge Ram Trucks (2002-2019)

Overview

K&N Performance Air Filter KNX-2247 is a long‑life filtration solution designed to fit a wide range of Dodge Ram trucks from 2002 to 2019. This premium filter offers a substantial upgrade in service life, aiming to reduce replacement frequency while supporting clean, steady airflow to the engine.

Engineered with a specially treated media, the KNX-2247 blend—whether synthetic or cellulose—delivers strong filtration without compromising airflow. The design is intended to meet or exceed OEM specifications and is designed for easy installation into your factory air box in minutes, allowing you to get back on the road quickly.

Among its standout capabilities, this filter is advertised to provide up to 99.5% filtration efficiency in typical driving conditions. The extended service life is rated at 24,000 miles, offering a potential doubling of usage compared with standard 12,000-mile filters. While results can vary with driving style and environment, the KNX-2247 aims to reduce maintenance frequency and keep intake pathways clear as you drive.

Key Benefits

• Rugged construction designed for up to 24,000 miles of use in regular highway driving.
• Extended life with up to 2x the longevity of standard 12k filters.
• Superior filtration using a specially treated media to deliver high efficiency.
• Potentially improved engine performance through optimized airflow.

What to Expect

• Designed to meet or exceed OEM specifications for compatibility and fitment.
• Simple, tool-free installation into the factory air box in minutes.
• Compatible with a broad range of Dodge Ram models, including pickups and select RAM lineups over multiple years.

Fitment and Compatibility

The KNX-2247 is designed for Dodge Ram vehicles spanning 2002 through 2019, including various Ram 1500, 2500, 3500, 4000 series, and select RAM models. It also covers related arrangements in later RAM lineups where OEM fitment is maintained with the factory air box system.

For drivers seeking a straightforward upgrade to filtration and airflow, this filter offers a practical, long‑life option that aligns with factory specifications while potentially reducing the frequency of replacement tasks. Real-world results will depend on driving conditions and maintenance practices.