319332 OMC BYPASS COVER GASKET

OEM OMC Johnson/Evinrude bypass cover gasket (0319332) seals the thermostat bypass cover assembly on small-displacement outboard engines. Designed for 9.9-15 HP Johnson and Evinrude models, this genuine factory part ensures proper coolant circulation and pressure retention. Equivalent to Sierra Marine 18-0967 and GLM 34990. Weighs 0.1300 lbs and is readily available from marine parts specialists. Essential for maintaining correct thermostat operation and preventing coolant leakage in the bypass circuit during engine warm-up cycles.