319578 OMC GASKET

OEM Johnson Evinrude exhaust cover water jacket gasket (0319578) for 25 and 35 HP outboard models from 1976-1978. This gasket seals the exhaust cover and water jacket assembly, preventing coolant leakage and maintaining proper engine temperature regulation. Original equipment material ensures proper compression and chemical compatibility with ethylene glycol and fresh water cooling systems. Sold as new old stock from vintage marine specialists and collectors. Critical for restoring or maintaining early-to-mid 1970s Johnson and Evinrude small-block outboards with original specifications and performance characteristics.