311801 OMC GASKET

The OMC 311801 is an original equipment manufacturer gasket used in Johnson/Evinrude engine assemblies to seal critical mating surfaces and prevent internal fluid leakage. Gaskets with this part number are applied in cooling systems, fuel systems, intake manifolds, or exhaust systems depending on the specific engine model and configuration. This OEM gasket is engineered to withstand engine operating temperatures and pressures while maintaining a tight seal throughout the engine’s service life. Installation should follow the applicable engine service manual, including proper gasket surface preparation and fastener torque specifications.