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 to 50,000 miles and cleaning it when you see a buildup of dirt and debris.

What do I need to clean and re-oil my K&N filter?

You'll need a K&N filter cleaning kit, which includes both the cleaner and the oil. The cleaner removes dirt and grime, and the oil restores the filter's ability to trap contaminants.

Will this filter void my vehicle's warranty?

Using a K&N replacement air filter will not void your vehicle's warranty. K&N air filters are designed to meet or exceed OEM specifications, ensuring they won't cause any harm to your engine.

K&N E-3750 Air Filter — 14in OD / 12in ID / 4in H

Name: K&N Replacement Drop In Air Filter - 14in OD / 12in ID / 4in H w/ Wire
Brand: K&N
Price: 83.99 USD
Availability: InStock

K&N Replacement Drop In Air Filter - 14in OD / 12in ID / 4in H w/ Wire

$83.99

Only 1 left in stock

Washable and reusable air filter improves airflow and horsepower. Drops right into your factory air box.

Key Features

Washable — clean and re-oil for extended use
Reusable — lasts the life of your vehicle
High-flow design — increases airflow to your engine
Cotton media — captures more dirt than paper filters
Direct drop-in replacement — installs in the factory airbox

⚠️ 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!