The RIGHT Subaru Forester Cabin Air Filter

Allaire W
Jan 2, 2021

What’s the best air filter for a Subaru Forester?

You can find a genuine OEM cabin air filter from the dealership for about $23. There are also a number of aftermarket parts on eBay and Amazon. You can find one for as low as $20 on the Amazon site.

Green 2020 Subaru Forester In The Rain

What Exactly Does the Cabin Air Filter Do?

If you’ve ever been riding in a car and have smelled something funny, chances are the cabin air filter was dirty and needed to be changed. The filter cleans the air before it passes through to the cylinders. This keeps dust, dirt, debris, and other junk from infiltrating the inside cabin, making breathing difficult and causing possible harm from the toxins and allergens coming through the vents. Here is a little information about the Subaru Forester.

What Do I Need to Know about the Subaru Forester Cabin Air Filter?

If you’re looking to change the cabin air filter on the Subaru Forester, you’ll find it behind the glove box on the passenger side. Unlock the dampener arm and push in both sides of the glove box to release the stops. Unclip the housing and remove the filter. Clean out the housing and insert the new filter with the arrow pointing up. Replace the housing and reengage the dampener of the glove box. Close the glove box.

It is important to get the right size filter for the vehicle. A service person should be able to provide additional information and assist whether at the dealership or an auto parts store.

When Should You Replace the Subaru Forester Cabin Air Filter?

Cabin Air Filter Closeup Of Random Vehicle

The recommendation is to replace the cabin air filter every 10,000 in extreme conditions, and every 15,000 to 30,000 miles in normal driving conditions. The user’s manual should provide a clear estimate of when the air filter should be changed. If there are indications or problems, you should change it immediately.

What Indications on the Subaru Forester Should I Look For to Let Me Know the Air Filter Needs to Be Changed?

There are a few things that will indicate there is an issue:

  • Whistling sounds
  • Weak or reduced airflow
  • Musty odors
  • Excessive noise when the system is running

How Important is Changing the Subaru Forester Cabin Air Filter?

The air cabin filter helps prevent respiratory problems because it catches airborne materials that could be harmful. There are many pollutants in the air, including dust or pollen, which can get into the vehicle. Depending on where and how much you drive, the cabin air filter may have to be changed on a more frequent basis.

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