Diagram of fuel filter in 1989 subaru justy gl - Fixya SOURCE: Location of fuel line and fuel pump on a 1988 Subaru Justy I imagine you have found it by now but just in case, the fuel pump and filter are mounted on the underside of the frame just ahead of the left rear suspension. Where is the fuel filter on a 1987 Subaru gl - Answers Under the car, in front of right rear wheel. The filter is actually under the hood on the driver's side near the hinge. Where is the fuel filter located on a 1989 Subaru GL Wagon? Not sure what..