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

The cleaning frequency depends on your driving conditions. K&N recommends cleaning the filter when you notice a buildup of dirt or debris, or every 50,000 miles under normal highway driving. Off-road conditions may require more frequent cleaning.

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, while the oil restores the filter's ability to trap contaminants and improve airflow.

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, and the No-Hassle Lifetime Limited Warranty protects against defects in materials and workmanship.

K&N E-3120 Air Filter | 2.875in ID x 3.875in OD

Name: K&N Custom Air Filter Round 2.875in ID x 3.875in OD x 2in Height
Brand: K&N
SKU: k-n-engineering-k-n-custom-air-filter-round-2-875in-id-x-3-875in-od-x-2in-height-t14-306638
Price: 58.37 USD
Availability: InStock

K&N Custom Air Filter Round 2.875in ID x 3.875in OD x 2in Height

$58.37

In Stock

Washable and reusable air filter. Designed to improve airflow and trap contaminants.

Key Features

Washable — Clean and re-oil for extended use.
Reusable — Lasts the life of your vehicle.
High-flow design — Improves airflow to your engine.
Cotton media — Layered and oiled to capture contaminants.

⚠️ 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!