Standard Ignition IFH3 Fuel Injection Harness

Fuel Injector Harness for Ford Super Duty

The Standard Ignition IFH3 fuel injection harness is a direct OEM replacement for select 2004 Ford diesel applications. It is built for the Ford Excursion, F-250 Super Duty, and F-350 Super Duty, with materials chosen to handle high engine temperatures and maintain reliable injector signal transfer.

Key Features

• Direct replacement fuel injector harness for OE-style fitment
• High-temperature connector materials resist brittleness in engine heat
• Aluminum electrical terminals help resist oxidation and maintain signal integrity
• High-temp Viton O-rings support sealing at the electrical connection under heat
• Designed for Ford Excursion, F-250 Super Duty, and F-350 Super Duty diesel applications
• Standard Ignition IFH3 cross-references 2-370003 and 4C3Z9D930AA for the same application

Detailed Description

Standard Ignition IFH3 is a fuel injector harness built for 2004 Ford Excursion, 2004 Ford F-250 Super Duty, and 2004 Ford F-350 Super Duty models. The harness uses durable plastic construction and OE-style connector design to support a straightforward replacement on the engine harness side. Its aluminum terminals are selected to resist oxidation, helping preserve electrical continuity to the injector under demanding underhood conditions. The IFH3 part number is also listed under common interchange references, including 2-370003 and 4C3Z9D930AA.

What It Helps Address

• Intermittent injector electrical connection
• Heat-related connector brittleness
• Oxidation at injector terminals
• Sealing issues at the electrical connection under high temperature
• Harness replacement needs on 2004 Ford Excursion, F-250 Super Duty, and F-350 Super Duty diesel engines

Installation Notes and Tips

Verify connector routing and injector locations before installation. Inspect adjacent wiring, terminals, and seals for heat damage or corrosion so the replacement harness can restore a stable connection. Confirm vehicle application by year, make, and model before ordering the Standard Ignition IFH3.

Quality Assurance

Standard Ignition builds this harness as a direct OEM replacement using materials selected for high-temperature engine environments. The design focuses on maintaining injector signal and connection durability in Ford Super Duty diesel applications.