A fuel filter screens the dust particles from the fuel of a car mostly. Fuel filters are made into cartridges that contain a filter paper, normally. Fuel filters usually last about a year before needing replacement however, if you use your car a lot and have a high monthly mileage, you may need to replace it more often. It is recommended to replace your fuel filter every 20,000 to 40,000 miles. Most of the time, people do prefer going to a mechanic to get their fuel filter replaced, but it can surely be done at home. Fuel filters are mostly found in internal combustion engines. Fuel filters are very important. Unfiltered fuel may be contaminated of paint chips and dirt that may have entered the tank during re-fueling. If you allow these filters to enter the system, your car is going to be needing repairing pretty soon. At eWorldTrade, you can easily get in touch with manufacturers that make quality fuel filters that you won't need to change very often. Quality fuel filters can save you from a lot of workshops visits. eWorldTrade's manufacturers are successful and reliable so you know you are getting high quality fuel filters.