Your car’s air filter is one of the most affordable parts to replace—and yet it plays a big role in engine performance, fuel economy and longevity. Dirty air filters restrict airflow, making the engine work harder, increasing fuel consumption and accelerating wear.
Daniel Lee
Workflow Strategist
Your car’s air filter is one of the most affordable parts to replace—and yet it plays a big role in engine performance, fuel economy and longevity. Dirty air filters restrict airflow, making the engine work harder, increasing fuel consumption and accelerating wear.
When to replace it
Every 12,000–15,000 miles (or according to your owner’s manual)
More often if you drive dusty roads, tow, or live in an urban area with heavy pollution
How to pick the right one
Use the vehicle selector on the marketplace: enter year, make, model, engine size to find compatible filters.
Choose between standard paper filters (economical) vs high-flow performance filters (better airflow, reusable in some cases).
Check for OEM or cross-reference numbers to ensure correct fit and quality.
Look for good packaging: seal intact, pleats even, no damage.
Add related items: while you’re replacing the air filter, consider replacing the cabin filter or cleaning the MAF sensor.
Benefits of timely replacement
Smoother acceleration, quicker throttle response
Might improve fuel economy slightly
Helps prolong engine life, keeps emissions in check
Keeps interior cleaner (less dust entering the HVAC)
Quick DIY tip Pop the hood, open the air-filter box, remove old filter, vacuum out any debris, install the new one in the correct orientation, close the box. Less than 10 minutes for many cars.
Bottom line Don’t overlook the air filter—it’s a small part with a solid return on investment. Pick the right one for your car, replace when needed, and benefit from better engine health today.