- Part Numbers: This CDI Switch Box is compatible with part numbers 332-7778A3, 332-7778A9, 332-7778A6, 332-7778A12, 332-5524A1, 332-7778A1, and 332-7778A7. - Replacement Compatibility: Designed for various 4-cylinder outboard engines, it serves the following horsepower ratings and serial numbers: - 40 HP: Serial # C159200-G589999 - 45-50 HP: Serial # 5531630 and higher - 75 HP: Serial # 6432901 and higher - 80 HP: Serial # 4831999-6432900 and 80 Jet Serial # D283222-6437999 - 85 HP: Serial # 4366802-4831998 - 100 HP: Serial # B209468-6437999 - 115 HP: Serial # C100000-G437999 - 125 HP: Serial # D283222-G437999 - Package Includes: 1 CDI Switch Box, ensuring you have everything you need for a seamless installation. - Key Benefits: - Reliable Performance: This CDI Switch Box ensures optimal performance of your outboard engine, enhancing ignition efficiency for better starting and operation. - Easy Installation: Designed for compatibility with a range of models, making replacement straightforward and hassle-free. - Durable Construction: Built to withstand harsh marine conditions, ensuring longevity and reliability on the water. - Practical Applications: - Ideal for boat owners looking to replace a faulty ignition system to restore engine performance. - Suitable for marine mechanics who need a reliable replacement part for engine repairs. - Perfect for restoring vintage outboard motors to ensure they operate smoothly and efficiently. This CDI Switch Box is essential for maintaining the functionality of your outboard engine, providing a dependable solution for various models and horsepower ratings.