How often should I clean my K&N air filter?

K&N recommends cleaning and re-oiling your filter every 50,000 miles under normal driving conditions. If you drive in dusty or off-road conditions, you may need to clean it more frequently. Use a K&N filter cleaning kit to maintain the filter's performance.

Does this filter require oiling?

Yes, this K&N air filter uses an oiled cotton media to trap dirt and improve airflow. You'll need to re-oil the filter after cleaning it to maintain its filtration efficiency. K&N sells filter cleaning and oiling kits.

Is there a warranty on this air filter?

Yes, K&N backs this air filter with their No-Hassle Lifetime Limited Warranty. This means K&N will replace the filter if it's defective in materials or workmanship. The warranty does not cover damage from misuse or improper cleaning.

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Trusted Since 1957

Est. 1957

K&N 20-21 Ford F250/F350 Super Duty 6.2/6.7/7.3L V8 Replacement Air Filter

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Specifications

Brand: K&N
Part #: 33-5100
UPC: 024844383938

K&N 20-21 Ford F250/F350 Super Duty 6.2/6.7/7.3L V8 Replacement Air Filter

Name: K&N 20-21 Ford F250/F350 Super Duty 6.2/6.7/7.3L V8 Replacement Air Filter
Brand: K&N
Price: 83.99 USD
Availability: InStock

$83.99

In Stock

Drop-in replacement air filter for 2020-2021 Ford Super Duty trucks. Washable and reusable.

Key Features

Washable and reusable — save money on replacement filters
Oiled cotton media — traps dirt and improves airflow
Direct drop-in replacement — installs in the factory airbox
Backed by K&N's No-Hassle Lifetime Limited Warranty

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Fits these vehicles

Ford F-250 Super Duty 2020-2025
Ford F-350 Super Duty 2020-2025

Product Details

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's No-Hassle Lifetime Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!