Sierra 18-5891-1 Power Pack Ignition Module for Johnson Evinrude Outboards

The Sierra 18-5891-1 Power Pack is a direct replacement ignition module designed for Johnson and Evinrude outboard engines. This power pack serves as the critical component in the engine's ignition system, converting low voltage signals from the stator into high-energy pulses that trigger the ignition coils to fire the spark plugs.

Key Features:

• Direct OEM replacement for reliable ignition performance
• Precision-engineered to meet or exceed original equipment specifications
• Durable potted construction protects internal electronics from moisture and vibration
• Restores peak engine performance and smooth operation
• Compatible with specific Johnson/Evinrude outboard models

Sierra Marine is a trusted name in aftermarket marine parts, offering quality components backed by extensive engineering and testing. This power pack is essential for maintaining proper spark timing and engine performance. Replaces Johnson/Evinrude OEM part numbers for select 2-cylinder and 3-cylinder outboard applications.