Sierra 18-99259 Switch Box Assembly - MW
This item is currently on backorder. You can still place an order, but it will only ship once it’s back in stock.
Sierra 18-99259 Marine Electronic Switch Box Assembly – Mercury
Sierra SIE-18-99259 High Performance Ignition Pack is designed for Mercury high-performance outboard applications, delivering reliable ignition performance for demanding marine engines. This replacement ignition pack replaces CDI 214-7778R 2 and multiple Mercury OEM part numbers, making it an ideal solution for maintaining ignition system reliability and engine performance.
Compatible with select Mercury 3-cylinder and 6-cylinder high-performance engines, this ignition pack is engineered for dependable operation in marine environments and is suitable for a wide range of high-performance applications.
Key Features
- High performance ignition pack for Mercury outboards
- Replaces CDI P/N: 214-7778R 2
- Replaces Mercury P/Ns: 332-7778A2, 332-7778A4, 332-7778A14, 332-7778A15, and 332-5524A2
- Designed for select Mercury 3-cylinder and 6-cylinder engines
WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov

