Oxygen and the gas in your tank are what fuels your car's engine. The intake sucks air into your engine so that gasoline can combust and power your vehicle to whatever destination is next. Because air is always full of dust, smog, and other debris, the air filter is what protects the inside of your car's engine from harmful pollutants outside.
We carry high quality replacement air filters from Carquest, Purolator, K&N®, ACDelco, and Motorcraft®. Buy air filters online or visit your local Advance Auto Parts store and have one of our knowledgeable Team Members help you.
How do I know when it's time to change my air filter?
Your mechanic should check the quality of your air filter with every regular oil change, but checking yourself is easy. If your filter shows visible signs of extreme dust or debris, such as falling dust if you shake the filter, it's probably a good time for a change.
How much do air filters cost?
The phrase starting with 'You need to replace...' can send shivers down the spine of any car owner, but the air filter is one of the cheapest fixes in your vehicle. Many range from $15 to $25 depending on your car's make, model and engine.
What happens if I never change my car's air filter?
Dirty air filters restrict airflow to your engine which restricts both power and efficiency. Over time, a dirty air filter will cut down the mileage and affect how well your car accelerates and runs.
Buy replacement air filters online or visit your local Advance Auto Parts store and have one of our knowledgable Team Members help you.
A dirty air filter slows down your car. A really dirty air filter could let in dirt and debris that risks damaging your engine. These are the signs it's time to change yours for a fresh, clean air filter:
There are three different types of engine air filters — paper, gauze, and foam. While you may not have to decide which one is right for your (most people will follow the manufacturer's recommendation), it's useful to know the difference.
Every car is different and you should check your owners manual for the specific steps of an air filter replacement, but most will follow these general steps: