Sierra’s 18-0991-9 Leaf Plate Gasket is designed for use in Johnson and Evinrude outboard applications. It is interchangeable with GLM 33660 and Johnson/Evinrude 321907. Each Sierra product meets or exceeds the original equipment part it replaces.
Designed for use in Johnson and Evinrude outboard applications
Interchangeable with GLM 33660 and Johnson/Evinrude 321907
Includes two gaskets per package
Each Sierra product meets or exceeds the original equipment part it replaces
