Evinrude / Johnson / OMC Water Pump Kit This kit replaces the original aluminium housing on 1978 and prior models. This is a genuine OEM kit, not a pattern / aftermarket item. It will fit: Two stroke models: 5.5HP: 1954 - 1962 6HP: 1966 - 1979 7.5HP:  1954 - 1958 If you have any doubts as to whether this will fit your outboard, please email the model and serial number, and I will be able to inform you of the correct one. Thank you for looking.