Dorman 904-547 Fuel Injection Harness

Dorman 904-547 Fuel Injection Harness

The Dorman 904-547 fuel injection harness is a replacement fuel injector harness built to match the fit and function of the original equipment part. It is made with quality materials and full insulated electrical connectors to help restore proper injector system operation on 2004 Ford Excursion, F-250 Super Duty, and F-350 Super Duty applications from 12/01/03.

Key Features

• Direct replacement fuel injection harness for OE-style fit and function
• Full insulated electrical connectors help resist corrosion at connection points
• 16-gauge wiring with 10-wire, 10-connector layout
• Black connector color for a clean OE-style appearance
• Direct injection fuel system application
• Fits 2004 Ford Excursion, N/A, from 12/01/03
• Fits 2004 Ford F-250 Super Duty, N/A, from 12/01/03
• Fits 2004 Ford F-350 Super Duty, N/A, from 12/01/03

Detailed Description

This Dorman fuel injection harness, part number 904-547, is engineered as a standard replacement for the original harness used on select 2004 Ford diesel applications. It supports direct injection fuel system operation and is specified to control 8 fuel injectors. For buyers searching for a 2004 Ford Excursion fuel injector harness or a 2004 Ford F-250 Super Duty fuel injection harness, 904-547 provides an OE-style service part that follows the original fitment and connector layout.

This part cross-references Ford OE number 4C3Z9D930AA for the same application.

What It Helps Address

• Intermittent injector signal loss caused by damaged wiring
• Corrosion at injector harness connectors
• Hard starting related to injector circuit faults
• Rough running from poor electrical contact at the injectors
• Check engine light concerns tied to injector harness damage

Installation Notes and Tips

Verify vehicle build date before ordering, since fitment applies to 2004 Ford Excursion, F-250 Super Duty, and F-350 Super Duty models from 12/01/03. Compare connector style, wire count, and harness routing to the original part before installation. Confirm all injector connections are fully seated and inspect adjacent wiring for heat or abrasion damage during service.

Quality Assurance

Dorman manufactures this harness as a standard replacement part using quality materials and insulated connectors to support reliable electrical contact and corrosion resistance. Part number 904-547 is built to restore proper operation of the injection system when the original harness has failed or degraded.