Description

Sierra’s 18-0139 Powerhead Base Gasket is designed for use in Mercury marine applications. It is interchangeable with GLM 31980, Mallory 9-60059, and Mercury 27-76589, 27-78623, 27-88451, and 27-884511. Each Sierra product meets or exceeds the original equipment part it replaces.
Designed for use in Mercury marine applications
Interchangeable with GLM 31980, Mallory 9-60059, and Mercury 27-76589, 27-78623, 27-88451, and 27-884511
Includes one gasket per package
Each Sierra product meets or exceeds the original equipment part it replaces