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Best Engine and Cabin Air Filters

Air filters are one of the easiest parts to change yourself, often in 5 minutes with no tools. Here's what to buy.

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Engine air filter on an auto parts store counter

#1 Best overall: engine air filter

Top pick

A clean filter helps your engine breathe and run well. Cheap and very easy to replace.

Key trade-off: low price, and a quick DIY job.

#2 Cleaner air inside: cabin air filter

Filters dust and pollen from the air you breathe inside the car.

Key trade-off: better air inside, and often forgotten.

#3 Reusable: washable air filter

You clean and reuse it instead of buying new ones.

Key trade-off: saves money over time, but costs more up front and needs cleaning.

Before you buy

DIY: How to replace your engine air filter

Time: about 5–10 minutes · Tools: usually none, sometimes a screwdriver · Difficulty: easy

  1. Open the hood and find the air filter box. It's usually a black plastic box connected to a large tube.
  2. Open the box. Undo the metal clips or screws holding the cover.
  3. Take out the old filter and note which way it sits. Hold it up to a light: if light barely shines through, it's time to replace it.
  4. Wipe out the box with a dry cloth to remove leaves and dirt.
  5. Put in the new filter the same way the old one sat, with the rubber edge sealing all around.
  6. Close the cover and fasten all clips or screws. Tip: the cabin air filter is often behind the glove box, so check your owner's manual.

Ready to do it yourself?

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