Dorman 904-477 Fuel Injection Harness - Right

Dorman 904-477 Fuel Injector Harness

This Dorman fuel injection harness is a standard replacement for the original wiring on select Ford Super Duty diesel applications. It is built to restore proper injector circuit operation with quality materials and fully insulated electrical connectors that help resist corrosion.

• Direct replacement fuel injector harness for OE-style fit and function
• Fits 2008-2010 Ford F-250 Super Duty, right
• Fits 2008-2010 Ford F-350 Super Duty, right
• Fuel injection style: direct injection
• Fuel injection metering style: pulse width modulation
• Designed to control 4 fuel injectors
• 16-gauge wiring with black connectors
• Male connector and plug/connector type
• Length: 12.5 in.
• Standard replacement grade for service repairs

Detailed Product Overview

The Dorman 904-477 fuel injector harness is made for Ford F-250 Super Duty and Ford F-350 Super Duty trucks equipped with direct injection systems on the right side. It matches the fit and function of the original equipment harness to support proper injector signal delivery and reliable electrical connection at the fuel injectors. This part cross-references Standard Ignition IFH8 for the same application.

Common Repair Symptoms

• Intermittent injector operation
• Corrosion at injector connector terminals
• Damaged or brittle wiring in the injector circuit
• Rough running caused by poor injector electrical contact
• Fault codes related to injector circuit performance

Installation Notes

Verify the vehicle’s year, model, and right-side application before installation. Inspect the injector connectors, wiring routing, and surrounding harness condition during service to confirm the replacement harness can seat properly and maintain secure electrical contact. Confirm connector orientation and routing against the original harness layout on the Ford F-250 Super Duty or Ford F-350 Super Duty.

Quality Assurance

Dorman manufactures this harness as a standard replacement part using insulated electrical connectors to help reduce corrosion at the connection points. Part number 904-477 is engineered to match OE fit and function for the listed Ford Super Duty applications.