Main Body Wiring Harness / used
Seller: Marketplace seller
$101
Asking
Quick reference
Identify
- Service part
- Pending
- Block casting
- Pending
- VIN digit 8
- Pending
Years
- Application
- 2015-2023 Mustang models featuring the same engine
Power
- Engine
- 5L V8 Naturally Aspirated Coyote V8 (435hp)
- Codes
- Pending
- Inventory
- $101 asking
What to know before swapping
Verify any changes in harness design across different trims or special editions.
JDM vs USDM models may have different wiring configurations.
Check for potential mid-cycle changes that could affect harness compatibility.
Context
Read the full notes
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Context
Read the full notes
When replacing the main body wiring harness on a 2018 Ford Mustang equipped with the 5L V8 Coyote engine, part number FR3Z-14401-A is essential for ensuring proper electrical connectivity throughout the vehicle. This harness is compatible across the 2015-2023 Mustang models featuring the same engine, but it's crucial to verify mounting bracket differences and connector types, especially when sourcing from a junkyard. Common inspection points include checking for frayed wires, corrosion at connectors, and ensuring no modifications have been made that could affect harness integrity. Installation should be approached with care; ensure all connectors are securely fastened and that the harness is routed away from heat sources to prevent future failures. For additional peace of mind, consider inspecting the harness during routine maintenance and address any signs of wear early.
OEM numbers
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Confirmed fitment
Applications
| Year | Make | Model | Engine | Confidence |
|---|---|---|---|---|
| 2018 | Ford | Mustang | 5L V8 Naturally Aspirated Coyote V8 (435hp) | 80% |
Available parts
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