K&N Engineering
K&N Replacement Air Filter FORD F150 LIGHTNING 5.4L 99-04, F150 Harley-Davidson 5.4L 02-03 - 33-2140-1
- SKU:
- KNN33-2140-1
- UPC:
- 024844087997
- MPN:
- 33-2140-1
- Availability:
- Regularly stocked product
Description
What is the lifespan of a K&N air filter?
K&N drop-in air filters are designed to be washable and reusable, lasting up to 50,000 miles before cleaning is needed, ensuring long-term performance for your vehicle's air intake.
Is it difficult to install a K&N air filter?
Easily replace your existing filter with a K&N drop-in air filter in minutes, as it's designed for a direct fit into your vehicle's factory air box, no modifications required.
K&N Drop-in Air Filters offer a significant performance upgrade, achieving a top score of 10 for Easy DIY Install. Their state-of-the-art design features layered, oiled cotton media to improve airflow and capture contaminants effectively. Experience enhanced engine performance and sustained power with this high-flow air filter for your vehicle.
Key Features
- washable, reusable High-Flow Air Filters
- state-of-the-art design of layered, oiled cotton media
- improve airflow and capture contaminants
- designed to provide an increase in horsepower
- reusable, engineered to last for the entire lifespan of your vehicle
- drop-in replacement filters are designed to install easily into your factory air box
Why Choose the KN Drop in Air Filters
Delivers sustained power and responsiveness with a filter that lasts.
Achieves cleaner engine operation by trapping more dirt and debris.
Provides a noticeable boost in horsepower for exhilarating acceleration.
Transforms your driving experience with effortless installation and lasting performance.
Who Is This For?
Street Performance — 8/10
Improves airflow and designed for horsepower increase.
Engine Performance — 9/10
High-flow, oiled cotton media improves airflow.
Easy DIY Install — 10/10
Drop-in replacement installs easily into factory air box.
Racing Competition — 7/10
Designed for increased horsepower and improved airflow.
Daily Driving Comfort — 6/10
Improves airflow and captures contaminants for engine.
Frequently Asked Questions
What is a K&N drop-in air filter?
A K&N drop-in air filter is a washable, reusable high-flow air filter designed to replace your vehicle's stock air filter. It utilizes state-of-the-art layered, oiled cotton media to improve airflow and capture contaminants. This engineered design aims to provide a noticeable boost in horsepower.
How easy is it to install a K&N drop-in air filter on my 1999-2004 Ford F-150?
Installation is a simple process, classified as "Easy DIY Install" with a perfect score of 10. The drop-in design allows for straightforward replacement into your factory air box. You can confidently transform your driving experience with this effortless upgrade.
What performance improvements can I expect from a K&N drop-in air filter?
You can expect enhanced "Engine Performance" with a usage score of 9. The high-flow, oiled cotton media significantly improves airflow, designed to provide an increase in horsepower. This upgrade delivers sustained power and responsiveness for your vehicle.
How do I clean a K&N drop-in air filter?
Cleaning a K&N drop-in air filter is an easy maintenance task. These washable, reusable filters are engineered to last for the entire lifespan of your vehicle, requiring periodic cleaning with specialized K&N cleaning products. This process restores optimal airflow and filtration.
Vehicle Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999–2003 | Ford | F-150 | Lightning |
| 2002–2003 | Ford | F-150 | Harley-Davidson Edition |
| 2004 | Ford | F-150 Heritage | SVT Lightning |
Important Notices
⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Browse More: Shop All Air Filters - Drop In — Air Filters
Warranty Information
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2003 | Ford | F-150 | Harley-Davidson Edition |
| 1999-2003 | Ford | F-150 | Lightning |
| 2004 | Ford | F-150 Heritage | SVT Lightning |
Additional Information
Clearance Item: |
N |
MPN: |
33-2140-1 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Air Filters>Air Filters - Drop In |
Install Type: |
Drop-In |
Product Level: |
Premium Performance |
Street Performance: |
8/10 |
Engine Performance: |
9/10 |
Easy DIY Install: |
10/10 |
Racing Competition: |
7/10 |
Daily Driving Comfort: |
6/10 |