Description

Sierra’s 18-3837 Head Gasket fits 120HP (1985-1987), 140HP (1985-1987) Evinrude and Johnson outboard applications. It is interchangeable with GLM 34400, Johnson/Evinrude Outboard 328623, and Mallory 9-63820. Each Sierra product meets or exceeds the original equipment part it replaces.
Fits 120HP (1985-1987), 140HP (1985-1987) Evinrude and Johnson outboard applications
Interchangeable with GLM 34400, Johnson/Evinrude Outboard 328623, and Mallory 9-63820
Includes one gasket per package
Each Sierra product meets or exceeds the original equipment part it replaces