Fuel Filter, Element/Separator, Length (In.) 5.4375, Outside Dia. (In.) 3.25, Package Quantity 1 RestrictionsNote: More filters are available on DrillSpot.com . FiltersFuelFuel/Water Separators feature a unique design with an all-metal, self-venting drain, eliminating the need to separately vent the fuel system prior to draining. Threaded and tube-type fittings allow easy installation in metal or rubber fuel lines.