Engine Air Filter vs. Cabin Air Filter

Mechanic holding up an Engine Air Filter

How many air filters does a car have? There are two primary car air filters: the engine air filter and the cabin air filter. Both play important roles in your car’s performance and comfort, and both require regular maintenance for the best driving experience possible. Get to know the differences between these two car air filters, and find out how to take care of them at Bayer Motor Company!



What Do Car Air Filters Do?

The role of the car air filter is to remove any debris before it get to your car parts. Compare the engine air filter vs. cabin air filter below:

  • Cabin Air Filter: The cabin air filter cleans the air in your car’s interior so nothing gets into the heating, ventilation, and air conditioning systems.
  • Engine Air Filter: The engine air filter cleans the air before it enters your engine, so contaminants like dirt and dust don’t ruin your powertrain.

How Can I Tell if my Car Air Filters are Bad?

Now you know how many air filters does a car have, but how can you tell when it’s time to replace them? Here are some of the signs to watch out for:

  • Cabin Air Filter: Look for warning signs like dust settling on surfaces, lingering odors, and poor air circulation.
  • Engine Air Filter: Clogged engine air filters can cause performance issues like poor acceleration or spark plug misfires. In a worst case scenario, your Service Engine light might pop up or black smoke might start pouring out of the hood.

When Should I Change my Filters?

What’s the guideline for replacing your cabin air filter vs. engine air filter? Most Granbury drivers change their cabin air filter between 15,000 and 30,000 miles and their engine filter every 12,000 to 15,000 miles. This can vary depending on your driving habits and vehicle. Someone who drives through a lot of dusty off-road trails in Brownwood might need to replace their filters earlier.

Schedule Your Service with Bayer Motor Company

Are you ready for your next maintenance visit? Want to pick up a new pack of filters at our parts department? No matter your needs, we welcome you to Bayer Motor Company for all of your automotive needs. We’re located in Comanche, near neighboring Granbury, so don’t hesitate to contact us with your questions.


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