Just like the human body needs clean food and pure water to ensure that how the body works smoothly, cars also need pure fluids and clean air to run a vehicle at high performance. Filters are very important for a vehicle as it helps to remove all the contaminants from the air and the fuels that run through the engine.
It is worth noting that there are different types of filters available in a car that helps to make it work properly. In this article, we are going to discuss how many filters does a car has and what are their functions. If you want to buy quality filter replacement, check out Philtop website.
how many filters does a car have


Just like the name suggests, oil filters help you to remove all the contaminants and dirt that are present in the oil.
It is recommended to change your oil filter every 3000 to 5000 miles or you can even check your own vehicle’s owner manual which will provide you with specific information about the replacement.
Moreover, if you are driving in bad weather conditions, then you can also upgrade your oil filter to a premium one that is going to protect your engine in the long run. 


Just like oil, the system also requires clean air. Air Filters will ensure that your vehicle’s engine gets fresh air. It helps to remove all the contaminants from the air and increase the engine’s lifespan and performance.
It is recommended to change the air filter after every 12 months or after driving for at least 12,000 miles. You can also check out the manual of your vehicle to learn about the specific duration in which you are supposed to change the air filters.


Cabin air filters help you to remove contaminants from the air, present inside the passenger compartment. Be like dust particles, mold spores, pollen or anything harmful, it will simply trap it and make sure that you consume pure air. 
These cabin air filters are also important for those people who are allergic to dust particles. Moreover, consuming pure air is not just good for your lungs but also good for your skin. You can change this filter after one year or after 12,000 miles. 


PCV (positive crankcase ventilation) helps to remove combustion pollutants, which are present in the engine crankcase. It works alongside the breather filter, which is recommended to be serviced during the same period.
Similar to other filters, these valves are also supposed to be changed every 12 months or every 12,000 miles, whatever comes first. It is worth noting that not every vehicle comes with PCV valves. Hence, you can check your vehicle’s manual to learn if these values are available in your car or not.


It helps to control the ventilation in the crankcase and it also reduces the contaminated emissions of vapor. It works well with PCV Values as mentioned above. 


It helps to remove harmful contaminants and ensure that your transmission’s lifespan is improved alongside the overall performance. If you are noticing any irregular shift patterns, then it may be a sign that it’s time to change the transmission filter.


Fuel filters help to remove dirt, rust, and other contaminants present in the fuel. These filters ensure that there is no clogging in the fuel system, which can eventually cause you difficulty in starting the engine. If fuel filters get damaged, then it can also hamper the overall performance of the vehicle and damage your engine.

FAQs About Car Filters

Q. What are the four types of air filters?
Pleated Media Filter, Flat-Paneled Fiberglass Filters, Reusable Air Filters, and HEPA Filter are the four types of air filters available in the market.
Q. Do air filters actually work?
Yes. In fact, they are very useful as they remove all the harmful particles present in the passenger area and also ensure that the overall performance of the vehicle is improved.
Q. How often should air filters in a car be changed?
It is recommended to change your vehicle’s air filters once in a year or after 12,000 miles. However, it depends on how much you drive and what areas do you drive. In case, you are driving in a dusty area, then you might need to change your air filters sooner.


In conclusion, air filters are one of the most important functions of any vehicle. They don’t only protect the passengers but also improve the overall performance from the inside. Hope this article helped you to understand how many filters does a car has and why they are useful.