Description

Sierra’s 18-3861 Head Gasket is designed for use with Mercury 135, 150, and XR4 engines. It is interchangeable with GLM 35850, Mallory 9-63851, and Mercury Marine 27-18785-1, 27-187853, 27-18785T. Each Sierra product meets or exceeds the original equipment part it replaces.
Designed for use with Mercury 135, 150, and XR4 engines
Interchangeable with GLM 35850, Mallory 9-63851, and Mercury Marine 27-18785-1, 27-187853, 27-18785T
Includes one gasket per package
Each Sierra product meets or exceeds the original equipment part it replaces