Sierra Water Pump Kit OMC Johnson/Evinrude 389143 18-3388 by Sierra International $70.05 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Sierra Outboard Water Pump Kit #18-3388 Replaces OMC Johnson/Evinrude OEM: 389143, 438579, 55-1875