I recommend every 36,000 miles.
Models after 1992 do not need the fuel filter replaced, and it is not recommended by the manual (lifetime filter on the fuel pump)
The filter is located in the pump outlet pipe above the fuel tank. Most often the tank needs to be lowered to replace the filter.
Replace the fuel filter every 15000 miles or every one year. Whichever comes first.
One every month if you have allergies.
Dodge considers the fuel filter to be a life time filter. It is good for the life of the fuel pump.
Every 15,000 miles.
Check it at each oil change, and replace when dirty.
you should only need to replace your fuel filter about every 45-60k miles. Check your service manual for scheduled maintenance.
Per most manufacturers' instructions, you should replace your refrigerator's water filter at least once every six months. If your water tastes "off," you should consider replacing the filter even if it hasn't been six months.
Depending on how much you drive your car should be how often you change your air filter. Sources say you should change it when you go to get your oil changed cause they both last about the same time.
Replace it every 36,000 miles.
under the van, in the center.
If it has a replaceable filter replace it every 50,000 miles.