K&N 33-5064 Engine Air Filter

Overview

K&N 33-5064 is a washable, reusable engine air filter built as a drop-in replacement for the factory air box. It uses layered, oiled cotton gauze media to improve airflow while capturing contaminants, and it is backed by a 10-year/1,000,000-mile limited warranty.

Compatible with Subaru Forester, Outback, Ascent, Crosstrek, Impreza, WRX, Legacy, XV, and Mitsubishi Outlander PHEV applications listed below, this K&N replacement air filter is a direct upgrade for drivers looking for a reusable panel filter. The 33-5064 is designed for easy installation in the stock air box and is a common choice for Subaru air filter replacement searches.

• Washable, reusable cotton gauze filter media
• Panel-style design for factory air box fitment
• Pre-oiled filter media for service-ready installation
• Flexible frame construction
• Backed by K&N's 10-year/1,000,000-mile limited warranty

Product Details

The K&N 33-5064 replacement air filter is engineered as a high-performance panel air filter for factory intake systems. Its layered cotton gauze construction is designed to balance airflow and contaminant capture, making it a practical option for owners seeking a reusable air filter for Subaru Forester, Subaru Outback, Subaru Crosstrek, Subaru Impreza, Subaru WRX, Subaru Legacy, Subaru Ascent, Subaru XV, and Mitsubishi Outlander PHEV fitments. The pre-oiled media and flexible frame support straightforward service when replacing the original filter element.

This part cross-references Genuine 16546AA16A for the same application.

Common Uses

• Replacing a clogged or restricted factory engine air filter
• Restoring intake airflow after extended service intervals
• Addressing reduced filtration performance from a worn paper element
• Upgrading to a washable, reusable filter element

Installation Notes

Install the 33-5064 in the factory air box as a direct replacement for the original panel filter. Verify the vehicle application against the fitment list before installation, and service the filter according to K&N cleaning and re-oiling procedures when maintenance is required.

Quality Assurance

K&N backs this filter with a 10-year/1,000,000-mile limited warranty. The 33-5064 is part of K&N's reusable high-flow filter line, built for repeated service over the life of the vehicle.