MERCURY MARINER 20HP 25HP 30HP EFI 4 STROKE OUTBOARD FUEL PUMP O RING 25-161313
30HP S/N 0R106999 & UP. 20HP S/N 0R235168 - 0R833819. 20HP S/N 0R833820 & UP. 25HP S/N 0R106999 & UP. 25HP JET S/N 165086 & UP. EFI MODELS. 4 STROKE ENGINES. IF YOU ARE NOT SURE THIS PART WILL FIT YOUR ENGINE ?.