Sierra International 18-3376 Water Pump Kit without Housing Sierra Water Pump Kit Meets or exceeds the original equipment quality Sierra part number: 18-3376 Interchangeable with the following: Evinrude/Johnson 384956 Contains: 18-2705 Oil Seal, 18-3083 Impeller, (2) 18-3136 Bolt, 18-3337 Grommet, 18-3343 Wear Plate, (2) 18-3369 Bolt, 18-7134 O-Ring, 18-3108 Impeller Key