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

The cleaning interval depends on your driving conditions. K&N recommends inspecting your filter every 25,000 miles and cleaning it when you see a buildup of dirt and debris. Use a K&N filter cleaning kit to properly clean and re-oil the filter.

Does this filter come pre-oiled?

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

What is the warranty on this air filter?

K&N backs this air filter with a 10-Year/Million Mile Limited Warranty. This warrants against defects in materials and workmanship. Be sure to register your filter with K&N to activate the warranty.

K&N E-3515 Air Filter — 7.75x14.625x2 in Oval

Name: K&N Custom Oval Air Filter 7.75in OW X 14.625in OL x 2in H
Brand: K&N
SKU: k-n-engineering-k-n-custom-oval-air-filter-7-75in-ow-x-14-625in-ol-x-2in-h-t14-480774
Price: 59.15 USD
Availability: InStock

K&N Custom Oval Air Filter 7.75in OW X 14.625in OL x 2in H

$59.15

Only 2 left in stock

Washable and reusable air filter improves airflow and filtration. Expect a slight bump in horsepower.

Key Features

Washable — clean and re-oil for extended use
Reusable — lasts the life of your vehicle
Oiled cotton media — traps contaminants
Improved airflow — expect a slight horsepower increase

⚠️ 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!