Water Pump Impeller Kit – Fits Johnson/Evinrude 40-50 HP (Replaces Sierra 18-3454, Johnson/Evinrude 438592, 433548, 433549, 777805) 70hp but larger chips may indicate

but larger chips may indicate an internal issue

as well as Sierra equivalents like 18-80414

The kit serves as an aftermarket replacement for Mercury/Quicksilver parts 46-812966A12

3mm lower wear tab

3850492 OMC 5

Water Pump Impeller Kit – Fits Johnson/Evinrude 40-50 HP (Replaces Sierra 18-3454, Johnson/Evinrude 438592, 433548, 433549, 777805) 70hp but larger chips may indicateProduct Details This Water Pump Impeller Kit Fits Johnson Evinrude 40 50 HP (Replaces 438597) is engineered for Johnson Evinrude 2 stroke outboard motors, including 40, 45, 48, and 50 HP models manufactured between 1989 and 1998. It is designed as a direct replacement for engines equipped with the small housing variant, ensuring proper cooling system function. It serves as a direct interchange for Sierra 18 3454, and Johnson Evinrude part numbers