Sierra's 18-3827 Head Gasket is designed for use in Mercury 8, 9.9 HP 4-Stroke and Yamaha F9.9/T9.9 applications. It is interchangeable with GLM 34910, Mallory 9-63964, Mercury Marine 27-825482, 27-8254821, and Yamaha Outboard 6G8-11181-00-00, 6G8-11181-A0-00, 6G8-11181-A1-00. Each Sierra product meets or exceeds the original equipment part it replaces.
Designed for use in Mercury 8, 9.9 HP 4-Stroke and Yamaha F9.9/T9.9 applications
Interchangeable with GLM 34910, Mallory 9-63964, Mercury Marine 27-825482, 27-8254821, and Yamaha Outboard 6G8-11181-00-00, 6G8-11181-A0-00, 6G8-11181-A1-00
Includes one gasket per package
Each Sierra product meets or exceeds the original equipment part it replaces
Designed for use in Mercury 8, 9.9 HP 4-Stroke and Yamaha F9.9/T9.9 applications
Interchangeable with GLM 34910, Mallory 9-63964, Mercury Marine 27-825482, 27-8254821, and Yamaha Outboard 6G8-11181-00-00, 6G8-11181-A0-00, 6G8-11181-A1-00
Includes one gasket per package
Each Sierra product meets or exceeds the original equipment part it replaces