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Tagengine air filter

Searching for engine air filter info? Check out all the engine air filter related articles here on the NAPA Know How blog. We’ve got Know How for all!

Close-up of a panel engine air filter under the hood of a car

Inside Look: What Is An Engine Air Filter Made of?

Engine air filters come in lots of different shapes and sizes, but they all do one job: They keep the inside of your engine free from harmful debris. Over the years, the design of engine air filters has changed, from their size to their material, so no one filter works best for all makes and models. Here’s a rundown of an engine air filter’s components…