Sierra's 18-3871 Head Gasket is designed for use with Mercury 175, XR4, Mag II applications. It is interchangeable with GLM 35890, Mallory 9-63856, and Mercury Marine 27-18786-1, 27-187863, 27-18786T. Each Sierra product meets or exceeds the original equipment part it replaces.
Designed for use with Mercury 175, XR4, Mag II applications
Interchangeable with GLM 35890, Mallory 9-63856, and Mercury Marine 27-18786-1, 27-187863, 27-18786T
Includes one gasket per package
Each Sierra product meets or exceeds the original equipment part it replaces
Designed for use with Mercury 175, XR4, Mag II applications
Interchangeable with GLM 35890, Mallory 9-63856, and Mercury Marine 27-18786-1, 27-187863, 27-18786T
Includes one gasket per package
Each Sierra product meets or exceeds the original equipment part it replaces