K&N Engineering Replacement Air Filter

Fits 1999–2004 Ford F150 Lightning 5.4L and 2002–2003 Ford F150 Harley-Davidson 5.4L

Part #: 33-2140-1

Overview

The K&N Replacement Air Filter is a high-performance maintenance part designed specifically for select Ford F150 Lightning and Harley-Davidson models equipped with the 5.4L engine. This washable and reusable air filter is engineered to improve your vehicle’s airflow while effectively capturing contaminants, helping to maintain engine efficiency and support performance. Ideal for owners seeking a durable, long-lasting air filtration solution that integrates seamlessly with the factory air box.

Key Features

This K&N air filter combines advanced materials and thoughtful design to deliver reliable performance and ease of use:

• Layered, oiled cotton media engineered to enhance airflow and trap dirt and debris
• Washable and reusable construction designed to last the lifetime of your vehicle
• Drop-in replacement filter that installs easily into the factory air box without modifications
• Supports improved engine breathing which can contribute to enhanced horsepower potential
• Backed by K&N’s 10-Year/Million Mile Limited Warranty for long-term peace of mind

Installation & Fitment

The filter is designed as a direct replacement for the original equipment air filter in compatible Ford F150 Lightning and Harley-Davidson trucks, ensuring a straightforward installation process. Simply remove the old filter and drop in the K&N unit to restore optimal airflow and filtration performance without the need for additional tools or adjustments.