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Sierra 18-99454 Internal Wiring Harness for Mercury Mariner Outboard

Manufacturer

Picture for manufacturer Sierra

Part Number

118-99454
5 reviews
Sale Price

$110.19

1 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-99454 is an internal wiring harness designed as a direct replacement for Mercury and Mariner outboard motors. This OEM-equivalent harness provides reliable electrical connections within the outboard engine, ensuring proper operation of ignition and electrical systems.

Key Features:

  • Direct replacement for Mercury and Mariner outboard engines
  • Designed to meet or exceed OEM specifications
  • Marine-grade construction for corrosion resistance
  • Proper wire gauge and connector configuration for reliable performance
  • Quality tested for durability in harsh marine environments

Sierra marine parts are engineered to provide dependable performance and long service life. This internal wiring harness helps restore proper electrical function when original wiring has become corroded, damaged, or worn from use.

Great service and product!

Easy to shop.

You guys rock!

First off, the shipping was very quick! The battery was packaged very well. So, far so good. Just installed it in my SUV last night. Perfect fit! Thanks THMotorsports!

Price was very reasonable. Original OEM product. Quick ship time. I was very pleased with Boatplicity and I will definitely purchase from them again.

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