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Sierra 18-99178 Power Pack with Cover for Johnson Evinrude 50-55HP

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

18-99178
9 reviews
03/13/2036 12:07 AM
Sale Price

$139.27

In Stock (8)

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Usually delivered within 2 days

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Product Details

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.

Key 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 Electronics 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. Sierra marine ignition components are built to withstand harsh saltwater environments and deliver dependable performance season after season.

Easy

Super smooth transaction, and fast delivery. Just waiting for my mechanic to open packages and verify all correct parts, but I don't expect any issues. Would definitely purchase and recommend others do business with Motorsport.com again

Great product. Accurate website description. Fits perfectly. 5 stars for sure

Great price and ultra fast delivery.

very good / pleasant experience overall - happily surprised by the fast delivery

Shopping experience was easy, now i have to wait and see how long it takes to receive it and if theres no issues with my order as some other buyers have encountered

Good quality product, fair price, and delivered without any delays.

Quick and easy

Best price on the internet

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