328283 OMC POWERHEAD BASE GASKET

OEM OMC Johnson/Evinrude 328283 is a powerhead base gasket designed to seal the powerhead assembly to the housing on Johnson/Evinrude outboard motors. Fits 35 HP, 40 HP, 45 HP, and larger models from 1971 onwards. Functions as an adapter gasket between powerhead and lower unit housing, preventing coolant and combustion gas leakage. Genuine factory OEM part available from multiple marine retailers. Essential seal component for powerhead assembly integrity and proper engine operation.