How many air filters does a 2013 Toyota Corolla have?

The 2013 Toyota Corolla has two air filters: one engine air filter and one cabin air filter.

This article explains what each filter does, where to find them, and typical replacement intervals, with practical tips for DIY replacement.

The two air filters in a 2013 Corolla

Two air filters keep the car's air intake and interior air clean. Here is a quick overview of each filter and its role.

• 
  Engine air filter (engine intake): Located in the air filter housing in the engine bay. It cleans incoming air before it reaches the engine. A typical replacement interval is around 30,000 miles (48,000 km), though driving in dusty or harsh conditions may require sooner replacement. Signs of a dirty filter include reduced acceleration, lower fuel economy, and rough idling.
  


• 
  Cabin air filter (HVAC intake): Located behind the glove box. It cleans air entering the cabin. A typical replacement interval is around 15,000 miles (24,000 km), though more frequent changes may be needed in dusty areas or heavy traffic. Signs include musty odors, increased dust on interior surfaces, or reduced airflow from the vents.
  

Because conditions vary, always check your owner’s manual or consult a Toyota dealer for the exact replacement schedule for your region and driving conditions.

Replacement steps for the filters

Engine air filter replacement

Here are the basic steps to replace the engine air filter in a 2013 Corolla.

1. Park on a level surface, turn off the engine, and open the hood to locate the engine air filter housing (a rectangular plastic box often near the front of the engine bay).


2. Unlatch or remove the clips or screws securing the housing lid.


3. Lift off the lid and remove the old filter. Check inside the housing for debris and wipe clean if needed.


4. Insert the new filter with the correct orientation (airflow arrow pointing toward the engine).


5. Reinstall the housing lid and secure the clips or screws. Start the engine to ensure everything is seated properly and there are no unusual noises.

If your Corolla uses a different filter orientation or housing design, refer to the owner’s manual for exact instructions.

Cabin air filter replacement

Here are the basic steps to replace the cabin air filter behind the glove box.

1. Open the glove box and remove contents. Release any stops or hinges that allow the glove box to drop down or remove the panel enough to access the filter housing.


2. Locate the cabin air filter housing cover and unclip or unscrew it.


3. Remove the old cabin filter, noting the correct orientation of the filter.


4. Insert the new filter with airflow arrows pointing toward the rear of the vehicle.


5. Reassemble the glove box and ensure everything is secure. Run the HVAC system on fresh air for a few minutes to verify proper airflow.

Following manufacturer instructions or consulting a technician can help ensure you replace the filter correctly.

Maintenance tips

Replace filters on schedule when possible, and sooner in dusty or high-traffic environments. Use genuine Toyota parts or reputable equivalents to ensure fit and performance. If you’re unsure about the replacement process, a quick visit to a Toyota dealer or qualified shop can ensure proper installation.

Summary

Bottom line: A 2013 Toyota Corolla uses two air filters—an engine air filter and a cabin air filter. Typical replacement guidance places the engine filter around every 30,000 miles and the cabin filter around every 15,000 miles, though conditions may warrant more frequent changes. Always consult the owner's manual for model-specific guidance and intervals.