329091 OMC IMPELLER HOUSING

Johnson Evinrude OMC 329091 water pump impeller housing for 3-4HP outboard engines. The housing contains the rotating impeller that draws cooling water from the lake or ocean and circulates it through the engine to maintain proper operating temperature. Original OMC equipment part available as new old stock from marine suppliers. Often replaced as part of complete water pump rebuild kits when the impeller is worn.