How often should I clean this filter?

K&N recommends cleaning and re-oiling your filter every 50,000 miles for normal highway use. If you drive in dusty conditions, you may need to clean it more often. Use a K&N filter cleaning kit to maintain the filter's performance.

Does this filter come pre-oiled?

Yes, this K&N air filter comes pre-oiled and ready to install. You do not need to oil it before the initial installation. Just drop it in and go.

Is there a warranty on this filter?

Yes, K&N backs this filter with their No-Hassle Lifetime Limited Warranty. This means they will replace the filter if it's defective. Be sure to register your filter on the K&N website to activate the warranty.

K&N Drop In Air Filter 33-2438 | Toyota 4 Runner/FJ Cruiser

Name: K&N 10 Toyota 4 Runner 4.0L V6 / 2010 FJ Cruiser 4.0L-V6 Drop In Air Filter
Brand: K&N
Price: 68.99 USD
Availability: InStock

K&N 10 Toyota 4 Runner 4.0L V6 / 2010 FJ Cruiser 4.0L-V6 Drop In Air Filter

$68.99

In Stock

Improved airflow and filtration in a drop-in replacement. Washable and reusable.

Key Features

Washable and reusable — save money on replacement filters
Designed to increase horsepower — get more performance
Direct drop-in replacement — installs in the factory airbox
Oiled cotton media — strong filtration and airflow

⚠️ 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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Will this fit your vehicle?

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!