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

K&N recommends cleaning your filter every 50,000 miles for normal highway use. Depending on your driving conditions, you may need to clean it more often. Inspect the filter regularly for excessive dirt buildup.

Do I need to oil the filter after cleaning?

Yes, K&N air filters use a special oil to help trap dirt and improve airflow. After cleaning, you'll need to re-oil the filter with K&N filter oil to maintain its performance.

What is the warranty on this air filter?

This K&N air filter is backed by K&N's 10-Year/Million Mile Limited Warranty. This covers defects in materials and workmanship for the life of the filter, as long as it's properly installed and maintained.

K&N 33-2408 Air Filter for Hummer H3 5.3L 2008

Name: K&N Replacement Air Filter HUMMER H3 5.3L-V8; 2008
Brand: K&N
Price: 68.99 USD
Availability: InStock

K&N Replacement Air Filter HUMMER H3 5.3L-V8; 2008

$68.99

Only 4 left in stock

Washable and reusable air filter. Designed to boost airflow and horsepower.

Key Features

Washable design — clean and re-oil for extended use.
Oiled cotton media — traps dirt and improves airflow.
Direct drop-in replacement — installs in the factory air box.
Designed to increase horsepower — improved throttle response.
10-Year/Million Mile Limited Warranty — K&N stands behind their product.

⚠️ 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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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 10-Year/Million Mile 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!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!