Radium 10Mm Sae Female To 3/8 Inch Barb

Fitting with 10mm diameter femal SAE quick connect on one side and 3/8 inch hose barb on the other. Constructed of plastic and compatible with all fuels and oils.

These adapter fittings are available in a variety of configurations. They push-on and secure to most modern USA, European, Japanese, etc. fuel injection systems and are used to convert an OEM SAE Quick Connect connection

To determine the required size, simply measure the outside diameter of the male fitting as shown below.
0.3125 = 5/16"
0.375 = 3/8"
0.50 = 1/2"