Sierra’s 18-99135 Exhaust Inner Cover Gasket fits 40 (1992-2006), 50 (1992-2009), P40 (1998), P50 (1992-1996), C40 (1997-2003), C50 (1998-2001) Yamaha engines. It is interchangeable with Yamaha Outboard 6H4-41112-00-00 and 6H4-41112-A0-00. Each Sierra product meets or exceeds the original equipment part it replaces.
Fits 40 (1992-2006), 50 (1992-2009), P40 (1998), P50 (1992-1996), C40 (1997-2003), C50 (1998-2001) Yamaha engines
Interchangeable with Yamaha Outboard 6H4-41112-00-00 and 6H4-41112-A0-00
Includes one gasket per package
Each Sierra product meets or exceeds the original equipment part it replaces.
