K&N 33-5029 Engine Air Filter

High-Flow Replacement Air Filter

K&N 33-5029 is a washable, reusable engine air filter built as a drop-in replacement for the factory air box. It uses layered, oiled cotton gauze to improve airflow while capturing contaminants, and it is pre-oiled for installation.

Key Features

• Panel-style high performance air filter with a flexible frame
• Washable and reusable design for long service life
• Pre-oiled cotton gauze media for airflow and filtration balance
• Drop-in fitment for factory air box installation
• Backed by K&N's 10-Year/Million Mile Limited Warranty

Detailed Description

This K&N engine air filter is engineered as a direct replacement for the stock filter element and is designed to install easily in the factory air box. The panel format, cotton gauze media, and flexible frame support consistent airflow through the intake system while helping trap airborne debris. For drivers looking for a reusable Ford Mustang air filter, the 33-5029 offers a serviceable alternative to disposable paper filters. It is also a fitment-specific choice for 2015-2023 Ford Mustang applications, including 2023 Ford Mustang and 2015-2022 Ford Mustang listings. This part cross-references Wix WA10315 and Baldwin PA10033 for the same application.

What It Is Used For

• Replacing a clogged or restricted factory air filter
• Restoring intake airflow in a performance air filter setup
• Reducing the need for frequent disposable filter changes
• Maintaining filtration in a washable reusable filter design
• Serving as a fitment-specific Ford Mustang replacement air filter

Installation Notes and Tips

Install the filter in the factory air box following the vehicle service procedure. Verify the panel dimensions and fitment notes before installation, especially on 2015-2023 Ford Mustang applications. Because the filter is pre-oiled, no additional oiling is needed at installation. Re-oil the filter only after cleaning and drying, using the specified amount listed by the manufacturer.

Quality Assurance

K&N backs this replacement air filter with a 10-Year/Million Mile Limited Warranty. The reusable design is intended for long-term service, and the filter is built to be cleaned, re-oiled, and returned to service as needed.