How often should I clean my K&N air 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. Regular cleaning ensures optimal airflow and performance.

Do I need to buy special oil to recharge the filter?

Yes, you'll need K&N filter oil to properly recharge the filter after cleaning. This oil is designed to work with the cotton media and ensure proper filtration. Using other oils can damage the filter.

What is the warranty on this K&N air filter?

This K&N air filter is backed by K&N's 10-Year/Million Mile Limited Warranty. This means K&N will replace or repair your filter if it malfunctions due to defects in materials or workmanship.

K&N 33-2456 Air Filter for Infiniti QX56 5.6L 2011

Name: K&N Replacement Air Filter 11 Infiniti QX56 5.6L V8
Brand: K&N
Price: 68.99 USD
Availability: InStock

K&N Replacement Air Filter 11 Infiniti QX56 5.6L V8

$68.99

Only 4 left in stock

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

Key Features

Washable — clean and re-oil for extended use
Reusable — lasts the life of your vehicle
Improved airflow — more air to the engine can increase horsepower
Direct replacement — fits in the factory air box

⚠️ 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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Fits these vehicles

INFINITI QX56 2011-2013
INFINITI QX80 2014-2024
Nissan Armada 2017-2024

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!