K&N 33-2448 Engine Air Filter

High-Flow Panel Air Filter

K&N 33-2448 is a washable, reusable engine air filter built with layered, oiled cotton gauze to improve airflow while capturing contaminants. It installs as a drop-in replacement in the factory air box and is backed by K&N's 10-Year/Million Mile Limited Warranty.

• Washable, reusable cotton gauze media for long service life
• Pre-oiled filter media for ready-to-use installation
• Flexible panel design for factory air box fitment
• Engineered to increase airflow and support horsepower gains
• Compatible with Hyundai Azera, Kia Optima, and Hyundai Sonata applications

Detailed Fitment and Function

This K&N replacement air filter is designed for drivers who want a serviceable upgrade over a disposable paper element. The panel-style construction, flexible frame, and pre-oiled cotton gauze media make it a practical choice for factory air box service, while the reusable design reduces the need for frequent replacement. Fits 2012-2017 Hyundai Azera, N/A; Fits 2014-2016 Kia Cadenza, N/A; Fits 2011-2016 Kia Optima, N/A; Fits 2011-2015 Hyundai Sonata, N/A; Fits 2011-2013 Kia Sorento, N/A; Fits 2010-2012 Hyundai Santa Fe, N/A. This part cross-references Baldwin PA4476 and Pronto PA6124 for the same application.

Common Replacement Needs

• Restricted airflow from a loaded engine air filter
• Reduced intake efficiency caused by a clogged panel filter
• Need for a reusable filter service interval instead of disposable replacement
• Factory air box service on Hyundai and Kia applications

Installation Notes and Quality

Install this filter in the factory air box as a direct replacement for the original panel element. Re-oil the media with the specified amount after cleaning, and confirm the filter seats properly before closing the air box. K&N backs this part number, 33-2448, with a 1,000,000-mile/10-year limited warranty.