The fuel filter is located under the vehicle right next to the fuel tank towards the front of the vehicle. There is a plastic cover with 2 bolts that needs to be removed in order to acess the fuel filter. It will be difficult to change if you do not have a lift to work under. Where is the fuel filter on a 2003 ford explorer? Is this answer helpful?Thanks!Give more feedbackThanks!How can it be improved?How can the answer be improved?Tell us how How to change a gas filter on a 2003 Ford Explorer - YouTube Click to view on Bing7:47Apr 30, 2014Where is the gas filter to change a gas filter on a 2003 Ford Explorer. Mercury Mountaineer,Author: jimthecarguyViews: 126K Where is the Fuel filter location on 03 explorer - answers the Fuel filter on an 03 seq is under the drivers side between the front and rear door. I usually go to an auto parts store and get the filter very easy to replace.