To be absolutely certain, you should:
* Consult your owner's manual: This is the best resource for specific information about your vehicle.
* Check a repair manual specific to your 1987 Dodge Ram 50: A Haynes or Chilton manual will have diagrams showing the fuel filter's location.
* Look online for diagrams: Search online for "1987 Dodge Ram 50 fuel filter location" along with your engine type (e.g., 2.6L, Mitsubishi).
Because you're working with fuel, remember safety precautions: Work in a well-ventilated area, avoid sparks or open flames, and wear appropriate safety glasses.