Quicksilver 8M0058419 Stainless Steel Fuel Tank Fitting - 1/4" NPT with 5/16" BarbThreaded hose barb fitting 8M0058419 is for use with fuel tanks or water separating fuel filter brackets requiring a 1/4 in. NPT thread and hose barb for 5/16 in. (8mm) ID fuel line hose. Can be used with gasoline or diesel fuels.Key Product Features Stainless steel fitting for use at the portable fuel tank connector end of the fuel line or water separating fuel filter bracket; Fitting has barb end for 5/16 in. (8mm) ID fuel line and 1/4 in. NPT thread to fit to tank or bracket; For use with gasoline or diesel fuel; Replace older fuel lines and primer bulbs when you replace your connector; Produced to meet Mercury Marine original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser sterndrive; Application Information:A stainless steel fitting for use with both gasoline and diesel fuel.This fitting has a .300 inch ID.