GENUINE MERCURY REPLACEMENT PART
HARNESS POWER STR 30 FT MX
Part no. 8M0138678
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What does this part do?
Main wiring loom. Grease connectors; corroded pins cause most electrical gremlins.
- Brand
- Mercury Marine
- Product group
- Steering
- Part number
- 8M0138678
- Replaces
- 893371T30
Accessory Catalog Info
View in catalog →- Catalog section
- Steering · POWER STEERING COMPONENTSguide p.571
- Product
- HARNESS- POWER STEERING - SIGNAL
What it does & compatibility
30 ft. Connects the power steering module to the engine which provides communication from engine to the power steering. Multiple engine installations require one harness per engine. Verado Engines 200-400 HP - Optional on 135-200 HP
Other options of this product: 84 8M0138676, 84 8M0138677
Source: 2025 Quicksilver Precision Parts & Accessories Guide.