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Sierra 18-99400 CDI Unit for Mercury Marine Engines

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

18-99400
6 reviews
03/13/2036 8:58 AM
Sale Price

$323.10

In Stock (10+)

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Usually delivered within 2 days

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-99400 is a universal CDI (Capacitor Discharge Ignition) unit designed for Mercury Marine outboard engines. This aftermarket ignition module provides reliable spark delivery to ensure consistent engine performance and starting.

Key Features:

  • Direct replacement CDI unit for Mercury Marine applications
  • Universal B configuration for broad compatibility
  • Capacitor discharge ignition technology for reliable spark
  • Quality aftermarket replacement from Sierra, a trusted marine parts manufacturer
  • Designed to meet or exceed OEM specifications

Sierra Marine products are engineered specifically for the harsh marine environment, providing dependable performance for recreational and commercial marine applications. This CDI unit helps restore proper ignition timing and spark energy for smooth engine operation.

Very satisfied with THMotorsports : ) They had the part I needed in stock, at a very reasonable price, and they shipped it out extremely fast. I will be doing more business with them!

Shipping was fast and efficient! Very happy that the fuel pump I ordered was available and arrived in perfect condition. This was a quality fuel pump that was difficult to find and was very pleased with the procurement of my order. I will use THMotorsports again! Thank you.

Thanks

Timely delivery

Found some hard to find items I had been searching a while for.

Fast shipping. Products as described.

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