Car Air Filters: What Kinds There are
Most cars and trucks have two -- a cabin air filter and an engine air filter -- as do most SUVs and vans.
What Cabin Filters Do
They capture allergens. More specifically, they keep pollen, mold spores, and other infiltrates out of the ducts in the heater and air conditioner. That way, they stay away from the parts that comprise both systems and off the vents into the interior.
What Engine Filters Do
What They're Made of
Generally, synthetic paper, if not metal, foam, or cotton. It's circular or cylinder-shaped, if not flat, and pleated, as redundant folds are better at catching contaminants. The semi-permanent or permanent kind, you can wash and reuse many times before replacement is necessary.
What are the Signs They Need to be Changed?
Clogs are the most obvious, as they can obstruct airflow. Damaged or worn-out media are equally indicative. Other symptoms include:
- A lit Check Engine light or other warnings on the dash
- Engine problems, like misfiring and loss of power
- Other unusual engine noises
- Acceleration problems
- Black exhaust smoke
- Worsening fuel economy
- Whistling or other abnormal sounds coming from the interior vents, accompanied by a stale or dirty smell in the cabin
When to Replace Them
Either when you see the signs above, or every 12,000 to 15,000 miles (in other words, annually). Don't let them go any longer than 30,000 miles without a change. Consult the air filter maintenance schedule in your owner's manual for more details on what to do and when to do it. Before you order new ones, though, be sure they're genuine.
Why Buy Genuine OEM?
Mitsubishi manufactures them. That means they'll come compatible with your model, guaranteed. That kind of assurance, you may not get from aftermarket air filters.
Where to Order Replacement Mitsubishi Air Filters Online
Our auto parts store has a wide-ranging inventory, all at prices ideal for the do-it-yourselfer. We carry plenty of the other kinds of filters you'll need for regular maintenance, too -- fuel filters and oil filters, for instance.
To find what fits your ride more quickly, browse our catalog by model and model year -- it's that easy! Buy now, and we'll ship and deliver directly to your door.
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