Sierra International 18-5778 Marine Switch Box for Mercury/Mariner Outboard Motor

Sierra's 18-5778 Switch Box is designed for use in Mercury marine applications. It is interchangeable with CDI 114-7452K1, Mallory 9-25103, and Mercury Marine 339-7452A11, 339-7452A14, 339-7452A21, 339-7452A8. Each Sierra product meets or exceeds the original equipment part it replaces.