SeaSense Mercury female bayonet style tank fitting. Kit comes complete with two brass fittings for your application: 90 degree elbow with 1/4" NPT male threads and 3/8" hose barb. Works on all Mercury 1998- older twist on style connectors. Manufactured from cast aluminum with Buna-N o-rings. 1/4" NPT thread are CNC machined for assembly to fuel tank. This is a complete kit that includes a 90 degree elbow to prevent any kinks in the assembly of a fuel line assembly or if space is an issue. The twist-on design uses FKM o-ring seals to ensure a leak free connection with today's ethanol based fuel. The cast aluminum body allows for years of usage.