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CDI Electronics 18-99420 Internal Engine Wiring Harness for Mercury Mariner

Manufacturer

Picture for manufacturer Cdi Electronics

Part Number

18-99420
6 reviews
Sale Price

$225.64

In Stock (5)

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Usually delivered within 2 days

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Fitment guaranteed

Fitment guaranteed

Product Details

The CDI Electronics 414-3369 Internal Engine Wiring Harness is designed for Mercury Mariner 2-cylinder and 4-cylinder outboard engines. This harness exits through the side of the lower cowling, providing proper electrical connections for the ignition system.

Key Features:

  • Fits 1977-1981 20 HP 2-cylinder and 1976-1979 50, 80, and 85 HP 4-cylinder engines
  • Direct OEM replacement for reliable performance
  • Professional-grade construction for marine environments
  • Designed and manufactured by CDI Electronics, a trusted name in marine ignition systems

Replaces OEM Part Numbers:

  • Mercury 84-64997, 84-73369, 84-73369A1, 84-73447, 84-73447A1, 84-76295, 84-76295A1

This internal engine harness is essential for restoring proper electrical function to older Mercury Mariner outboard motors. The harness provides all necessary connections between the engine's ignition components and ensures reliable starting and running performance.

Great prices, speciality items in stock, and fast delivery!

Great price and ultra fast delivery.

Only place that had tires I needed in stock!

I'm very satisfied with my purchase for the 2nd time. I will be making more purchases in a few months.

Best product with best price only at THmotorsports.com

AAA+++

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