What is an OEM air filter?

Author

Christopher Ramos

Published Feb 26, 2026

What is an OEM air filter?

Air and liquid filtration products can be divided into two major groups: Original Equipment Manufacturer (OEM) and aftermarket. As their name suggests, OEM filters are original products that are manufactured and sold by the same company.

Similarly, it is asked, should I use OEM air filter?

Like oil filters, it is best to use the one made for your car by its manufacturer. OEM filters are specifically designed to suit your car. Don't risk your car's health by choosing cheaper alternatives.

Also, what is the best engine air filter?

Editor's Pick: K&N 33-2304 High Performance Replacement Air Filter.
EPAuto GP075 (CA10755) Replacement Engine Air Filter.
Mann Filter C 3698/3-2 Air Filter.
FRAM CA9482 Extra Guard Flexible Panel Air Filter.
Toyota Genuine Parts 17801-YZZ02 Air Filter.
FRAM Extra Guard Panel Air Filter.
K&N 33-2438 Replacement Air Filter.

Regarding this, are OEM air filters better than aftermarket?

OEM engine air filters may be a bit more expensive, but it pays off in the long run to have one in your Toyota instead of an aftermarket air filter. OEM air filters don't necessarily have to cost more, though.

Do K&N air filters really increase horsepower?

He finds that on the dyno, the aftermarket filters do in fact make more than the OEM unit, with the most gains produced by the K&N filter (around four horsepower and five lb. -ft. of torque, or around 2.6 percent and 3.7 percent, respectively).

Are K&N air filters worth the money?

K&N filters only seem to produce any noticeable difference in the more performance-oriented cars and work best in the clean environment of a race track. As a matter of fact, the K&N air filter is not worth the extra money compared to ordinary air filters if your car is a regular car.

Is STP a good air filter?

Are STP oil filters good? Yes, they are good but up to a certain price point. The oil filters are created at one of the finest automotive facilities in US. The filters are not the high ends type but a respected member of their own price range.

Is K&N the best air filter?

Our pick for the top overall air filter comes from K&N. This high-performance air filter is one of the best engine air filters on the market and is specifically designed to boost horsepower and acceleration. The 33-2031-2 air filter is also reusable and comes with the K&N 10-year or 1 million-mile limited warranty.

Do K&N Filters Filter better?

While the initial cost of a K&N Filter is much higher than a standard-replacement paper filter, the cost over time is less because all K&N Filters come with a 10-year/1,000,000-mile warranty. But airflow tests on K&N products have shown superior airflow, even when the filters are at their 50,000-mile cleaning interval.

Do engine air filters make a difference?

Replacing a clogged air filter can increase fuel efficiency and improve acceleration, depending on your car make and model. How can an air filter make so much difference? A dirty or damaged air filter limits the amount of air flowing into your car's engine, making it work harder and, therefore, using more fuel.

Does it matter what air filter you use for your car?

Purchasing a premium air filter for your car will provide optimal air flow, maximum engine performance and the best fuel efficiency. The ability of your air filter to remove harmful dirt, debris and foreign matter from your engine's air intake is directly attributed to the long life of your engine.

How often should you replace an air filter?

every 90 days

Does K&N air filter help gas mileage?

These filters are different than your typical air filter and allow a lot more air into your engine, increasing both horsepower and gas mileage.

Do aftermarket air filters improve performance?

While the dirty and new OEM filters were nearly identical in their sprints (9.01 seconds from 20-60 mph and 3.61 seconds from 45-60 mph), the aftermarket air filters improved on that performance. 20-60 mph happened in 8.81 seconds, and 45-60 mph took 3.49 seconds. Yes, the aftermarket performance air filters do work.

Does high flow air filter make difference?

One of the benefits of a high flow air filter is that, unlike regular filters, you don't have to change it every year. And if your engine is getting more air, then it can perform better. In fact, a high flow air filter can actually increase your horsepower by about 3 to 5 HP and increase your torque as well.

Does air filter improve bike performance?

The combination of a filter, exhaust and tuning generally yields a ~15% increase in horsepower and is also known as a Stage 1 upgrade. The after market air filters allow more air to go into the combustion chamber, which in turn allows more oxygen to create the explosions that drive your engine.

What will a performance air filter do?

The idea behind performance air filters is that a less restrictive air filter means the engine doesn't have to work as hard to bring in air. That means it's more efficient, and makes more power. It could also mean the engine pulls in more air, and with more air, the engine can inject more fuel to make more power.

How long do engine air filters last?

roughly three years

Which is better dry or oiled air filter?

Generally, high-performance dry filters can catch up to 99% of the incoming contaminants due to the smaller micron size of the filter media, while oiled filters catch about 98% of what passes through – a minute difference, but a difference none-the-less.

What happens if you don't replace cabin filter?

If you don't change your cabin air filter, the filter will become more clogged with dirt and debris and the efficiency of the filter and your car's HVAC system will be compromised. The air volume into your passenger compartment will be continually reduced which will lead to the issue of foul odors inside your car.

Can K&N filter damage engine?

K&N filters will not damage the engine internals but they can damage or at least coat the Mass Air Flow sensor if your car has one and most cars now do. The oil that the K&N filter is soaked in can separate and contaminate the wires of the MAF.

What's the best air filter for my truck?

Top 10 Best Engine Air Filters: Top Rated Truck, SUV & Car Air Filters (Reviews)

K&N Cabin Engine Air Filter.
aFe Engine Air Filter.
AEM Dryflow Engine Air Filter.
S&B Intake Kit Replacement Engine Air Filter.
Injen High Performance Engine Air Filter.
Volant Primo ProGuard 7 Car Air Filter.
K&N Engine Air Filter.

Does air filter make car louder?

Both stock air filter and performance air filter will not make your car louder. Theoretically speaking, performance air filters should make your engine louder because it increases air flow. However, this is not true because the increased air flow is not significant enough to impact sound.

Can you use wd40 as air filter oil?

RE: WD-40 instead of air filter oil!

IT DOES NOT WORK. THERE HAVE BEEN SEVERAL THREADS ABOUT IT. AND YOU CAN BUY AFTER RUN OIL FOR THE SAME PRICE.

How much horsepower will a K&N air filter add?

Combine that with the more air through the larger and less restrictive filter and intake tube and you can see up to a 10-15 horsepower increase. K&N has even reported an estimated increase of 56.96 horsepower out of the 57-2571 intake for 2007-2009 Shelby GT500!

Does K&N air filter make car louder?

There is no increase in noise. The advantage over the OEM paper element filters is the reduced restriction and greater air flow. The engine does not have to work as hard aspiring the intake air so that volumetric efficiency is improved.

How much HP does a tune add?

If you have installed a lot of performance parts like cold air intake, exhaust and turbo – then tuning your car will definitely gain you a lot of horsepower. To give a ballpark figure – if you are on a stock car, you could probably gain 10-15 horsepower from a dyno tune.

Which K&N intake is the best?

Top 10 Best Air Intakes: Highest Rated Cold Air Intakes & More (Reviews)

S&B Cold Air Intake System.
Volant Air Intake.
Airaid Cold Air Intake System.
Spectre Cold Air Intake.
K&N 57 Series FIPK Air Intake.
K&N 69 Series Typhoon Intake Kit.
AEM Cold Air Induction System.
Injen PowerFlow Intake System.

Continue Reading

What is an outside plant technician?

Does Apple music have wrapped?

Is there a time change in Alberta?

What is an OEM air filter?