This is a Genuine OEM Ford Diesel Exhaust Fluid [DEF] System Main Wiring Harness for the 2017–2022 Ford F-250 Super Duty, F-350 Super Duty, F-450 Super Duty, and F-550 Super Duty equipped with the 6.7L diesel engine. This harness serves as the main wiring connection for all components of the DEF emission reduction system, electrically attaching the Diesel Exhaust Fluid System components to one another and to other vehicle harnesses — it is not limited to a single component but covers the entire system.

This is a Genuine OEM Ford part, ensuring exact fit and function. No side or positional designation applies to this part. This part is for vehicles equipped with the 6.7L diesel engine. This part is for the DEF emission reduction system. This harness connects all DEF system components to one another and to other vehicle harnesses, functioning as the main harness for the entire system rather than for any single component.

Quick Part Facts

• Condition: New OEM
• Genuine Ford OEM part
• Part Type: Diesel Exhaust Fluid [DEF] System Main Wiring Harness
• Engine: 6.7L Diesel
• System: Emission Reduction / DEF System
• Connects all DEF system components to one another and to other vehicle harnesses
• Main harness for the entire DEF system — not limited to a single component

Fitment