Description

Sierra’s 18-0643 Powerhead Base Gasket is designed for use in Mercury marine applications. It is interchangeable with GLM 37570 and Mercury Marine 27-183071, 27-183076. Each Sierra product meets or exceeds the original equipment part it replaces.
Designed for use in Mercury marine applications
Interchangeable with GLM 37570 and Mercury Marine 27-183071, 27-183076
Includes one gasket per package
Each Sierra product meets or exceeds the original equipment part it replaces