The Sierra 18-4325 Powerhead Gasket Set includes components that are built with precision and quality, marine-grade materials. Designed to be interchangeable with the following: GLM 3937, Mallory 9-64214, Mercury 27-85491A90, 27-85491A87. Each Sierra product meets or exceeds the original equipment part it replaces.
Sierra Powerhead Gasket Set
Meets or exceeds the original equipment quality
Built with precision
Interchangeable with the following: GLM 3937, Mallory 9-64214, Mercury 27-85491A90, 27-85491A87
