Sierra’s 18-99120 Thermostat Cover Gasket fits F6 (2001-08), F8 (2001-2019), T8 (2001-2010), F9.9 (1986-2019), FT9.9 (1985-1990), and T9.9 (1991-2019) Yamaha engines. It is interchangeable with Yamaha Outboard 60R-E2414-A0-00, 6G8-12414-00-00, and 6G8-12414-A0-00. Each Sierra product meets or exceeds the original equipment part it replaces.
Fits F6 (2001-08), F8 (2001-2019), T8 (2001-2010), F9.9 (1986-2019), FT9.9 (1985-1990), and T9.9 (1991-2019) Yamaha engines
Interchangeable with Yamaha Outboard 60R-E2414-A0-00, 6G8-12414-00-00, and 6G8-12414-A0-00
Includes one gasket per package
Each Sierra product meets or exceeds the original equipment part it replaces
