Sierra Johnson/Evinrude 581397 Power Pack With Cover 18-99178

Sierra Johnson/Evinrude 581397 Power Pack With Cover 18-99178

The Sierra 18-99178 is a replacement ignition power pack designed for Johnson and Evinrude 2-cylinder outboard motors. This critical ignition component delivers high-voltage current to the spark plugs, ensuring reliable engine starting and optimal performance on the water.

Features:

• Includes protective cover and gasket for weather resistance and durability
  
  
• Screw terminal design for secure electrical connections
  
  
• No RPM limit restriction for full engine performance
  
  
• Meets or exceeds original equipment manufacturer specifications
  
  
• Direct replacement for premium quality and longevity

Replaces OEM Part Numbers: Johnson/Evinrude 581397, 581137, 580826, 384986, 764708, CDI 113-1397, GLM 75370

This power pack is specifically engineered for 1971-1977 Johnson and Evinrude 50HP and 55HP 2-stroke, 2-cylinder outboard motors.