Car air filter test - comparisons. Com 2024

Protection against sucked in dirt

A lot of dirt accompanies us when driving a car. On good car air filter filters unwanted suspended matter or aerosols from the air. These include pollen, dust, gases or pathogens. The filter prevents these particles from causing premature wear on the engine.

Car air filters must therefore be changed at regular intervals. in the Auto air filter offer offer the MANN-FILTER OEM quality presented in our comparison. What you at Buy car air filters you have to pay attention to everything, you will find out in this guide.

Top product: Auto air filter at Amazon

What is a car air filter?

Car air filters are ring-shaped or flat and rectangular structures that have a tightly folded fabric that is similar to paper. This fabric laid in zigzag waves represents the filter element. Thanks to the folding, the area required for filtering is extremely large and at the same time it reduces the flow resistance. These paper-based car air filters are easy to manufacture and that is what makes it Car air filter price moderate. There are also foam dry filters that are constructed like paper filters, only with a foam insert instead. This gives you even greater air permeability. However, the lower filter performance has a disadvantage here. Over time, this filter will also have to be replaced as the foam decomposes. One can also Clean the car air filter and reuse, but they must be suitable for this.

A distinction is made between two variants of car air filters:

How does a car air filter work?

Depending on the cubic capacity of a vehicle, the engine draws in between 200 m³ and 500 m³ of air per hour. The air in city centers is more contaminated than in wooded areas. However, air is always contaminated with dust particles, how much depends on these factors:

• Season
• Weather conditions
• Road conditions
• Surroundings

This is why the air has to be filtered, otherwise it will look like Abrasive paper affects and leads to the wear and tear of many mechanical components. However, this not only applies to the engine, but also to other components located in the intake duct, such as the turbocharger or the air mass meter in diesel vehicles. Therefore belong Auto air filters among the best and most important components of an internal combustion engine. The engine receives purified air, which is required for a perfect combustion process. The air filter has the following functions for air management:

• Filtering the intake air for the engine
• Air flow improvement
• optimal combustion and engine acoustics
• Attenuation of the intake noise
• Integration of air mass meters and other diverse components
• Protection of the turbocharger from particle bombardment

Which car air filter to order?

You can buy your car air filter from your specialist workshop or buy the Order car air filters online. To do this, you must enter the correct name. Each manufacturer therefore has an overview of which car and which model fit the respective car air filter. Known Auto air filter manufacturer are Bosch, MANN-FILTER, Mahle Original, Ridex and others. Since we have only presented MANN-FILTER in this comparison, here is a small excerpt from its order designations:

This is how you can change a car air filter

Changing the car air filter is relatively easy. We'll show you how to do it:

1. tool bag ready with Screwdriver set, pliers or Multifunction Tool
2. Open the hood. The air filter box can be found quickly and is usually marked with an air filter symbol. In the case of a diesel vehicle, first pull out the connector for the air mass meter.
3. Now that Auto air filter hose The hose clamp can be adjusted with the Wasserpumpenzange squeeze and slide backwards. This is how the hose loosens.
4. Open the air filter box, which is usually secured with two or four clamps. These can be levered open with a screwdriver. If there are screws underneath, these can be removed using a ring and Spanner set be solved.
5. The old Remove the car air filter and put in a new one. Car air filter experiences state that it can only be used in one direction and therefore always sits correctly.
6. Insert screws and nuts again and secure with the clamps.
7. Reconnect the air mass meter on the diesel vehicle
8. Start the engine with the hood open. If the engine runs smoothly when idling, you have done everything right.

What else you can do yourself in the car

In our comparisons of Test-Vergleiche.com you will find other possibilities to lend a hand on your car yourself. So take a look at these comparisons:

• Car interior cleaner
• Car leather care set
• brake cleaner
• Cockpitspray
• Lacquer sealing
• Engine oil
• engine cleaner

Car air filter bestseller on Amazon:

Conclusion on the auto filter

Car air filters need to be changed regularly. How often is stated in the owner's manual for your car. If the air filter is damaged, it makes noises or the performance is already reduced, it has to be replaced sooner. Any somewhat experienced do-it-yourselfer can do the replacement himself and save the workshop costs.