Sierra 118-99389 Wiring Harness for Johnson Evinrude 4-Cylinder Outboards

The Sierra 118-99389 is a replacement wiring harness engineered for Johnson and Evinrude 4-cylinder outboard motors. Also referenced as 18-99389, this harness restores reliable electrical connections throughout the engine's ignition, charging, and accessory circuits, helping ensure consistent performance and safe operation on the water.

Sierra International is a trusted OEM-quality marine parts manufacturer, and this harness is built to meet or exceed the original equipment specifications for OMC-built Johnson and Evinrude outboard engines. It is designed as a direct-fit replacement, simplifying the installation process and eliminating the need for custom wiring modifications.

Key Features:

• Direct-fit replacement wiring harness for Johnson and Evinrude 4-cylinder outboard engines
• Manufactured by Sierra International to meet or exceed OEM specifications
• Restores proper electrical function to ignition, charging, and accessory systems
• Pre-terminated connectors for straightforward installation
• Also known by part number 18-99389
• Designed for OMC-platform Johnson and Evinrude outboard motors

When the original wiring harness becomes brittle, corroded, or damaged from age and marine exposure, the Sierra 118-99389 provides a cost-effective, quality replacement to get your outboard running reliably again.