Moeller Marine Clip Engine Connector for Mercury Engines Attaches to fuel hose on the engine side.; 3/8" Barb; Female; Clip Style; For use with Moeller tank fitting part #moe-033477-10; For use on Mercury Engines 1998 and Newer. ; 1997 & Older Use Moeller part # moe-033481-10 or Yamaha part #05815 for engine connector;