Sierra 118-99346 Ignition Power Pack for Johnson Evinrude 3 & 4 Cylinder Outboards

The Sierra 118-99346 (18-99346) Ignition Power Pack is a direct-replacement ignition component designed for Johnson and Evinrude 3-cylinder and 4-cylinder outboard engines. The power pack serves as the core of the capacitor discharge ignition (CDI) system, storing and releasing high-voltage electrical charges to fire the ignition coils at precise intervals for reliable engine starting and smooth operation.

Key Features:

• Manufactured to meet or exceed OEM specifications for Johnson and Evinrude outboards
• Compatible with 3-cylinder and 4-cylinder Johnson/Evinrude outboard engines
• Direct drop-in replacement — no modification required
• Built to withstand the harsh marine environment including moisture, heat, and vibration
• Also sold under Sierra part number 18-99346

Sierra International is a trusted name in marine engine replacement parts, supplying OEM engine manufacturers and boat builders with quality components. Each Sierra product meets or exceeds the original equipment part it replaces, ensuring dependable ignition performance and long service life. This power pack is an ideal solution for restoring proper ignition function to your Johnson or Evinrude outboard.