Engine air filter and cabin air filter: what's their difference?

Regular car maintenance is essential to keep your vehicle running smoothly and to ensure the safety of yourself and your passengers. Two important filters that need to be maintained are the engine air filter and the cabin air filter.

What is the engine air filter?

The engine air filter is responsible for filtering out dust, dirt, and other debris from the air that enters the engine. The air filter prevents these contaminants from entering the engine, which can cause damage to internal components and reduce engine performance. Over time, the air filter becomes clogged with debris, which restricts airflow and can lead to decreased fuel efficiency and engine power.

What is the cabin air filter?

The cabin air filter is responsible for filtering the air that enters the passenger compartment of your vehicle. The filter traps dust, pollen, and other contaminants, which can cause allergic reactions and respiratory problems for some individuals. A dirty cabin air filter can also reduce the effectiveness of your vehicle’s heating and air conditioning system.

How do you maintain the engine air filter?

Check the air filter regularly: It’s recommended to check the air filter every 12,000 to 15,000 miles. However, if you frequently drive on dusty roads, you may need to check it more often.

Replace the air filter as needed: Depending on your driving habits, you may need to replace the air filter every 20,000 to 30,000 miles. However, if you notice decreased engine performance, reduced fuel efficiency, or a dirty filter, you may need to replace it sooner.

Use a high-quality air filter: When replacing the air filter, use a high-quality filter that is recommended by your vehicle manufacturer.

How do you maintain the cabin air filter?

Check the cabin air filter regularly: It’s recommended to check the cabin air filter every 12,000 to 15,000 miles. However, if you frequently drive on dirt roads or in heavy traffic, you may need to check it more often.

Replace the cabin air filter as needed: Depending on your driving habits and the quality of the air in your area, you may need to replace the cabin air filter every 12,000 to 30,000 miles.

Use a high-quality cabin air filter: When replacing the cabin air filter, use a high-quality filter that is recommended by your vehicle manufacturer.

What is the difference between the two?

The main difference between the engine air filter and the cabin air filter is their location and purpose. The engine air filter is located under the hood of the vehicle and is responsible for filtering the air that enters the engine. The cabin air filter is located inside the passenger compartment of the vehicle, usually behind the glove box or under the dashboard, and is responsible for filtering the air that enters the cabin.

Another difference is the type of contaminants that each filter is designed to trap. The engine air filter is designed to trap larger particles like dirt and debris, while the cabin air filter is designed to trap smaller particles like pollen and dust.