Dorman 904-479 Fuel Injection Harness

Dorman 904-479 Fuel Injector Harness

Dorman 904-479 is a replacement fuel injector harness built to match the fit and function of the original equipment part. It restores proper injector circuit operation with quality materials and fully insulated electrical connectors that help resist corrosion in the engine bay.

Use this fuel injection harness when you need a direct replacement for a worn, damaged, or corroded injector wiring assembly on a direct injection, speed density system. It is a standard replacement solution for service work on vehicles such as Honda Civic and similar applications that require a 6-injector control harness.

Key Features

• Direct replacement fuel injector wiring harness for OE-style fit and function
• Built with 16-gauge wire and 12-wire construction
• Male connectors with black and gray connector bodies
• Fully insulated electrical connectors to help reduce corrosion
• Supports speed density fuel metering and direct injection systems
• Standard replacement grade for repair and maintenance use
• Length: 35 inches

Detailed Description

This Dorman fuel injection harness is engineered for vehicles that use a direct injection layout with speed density metering. It connects the injector circuit through male plug/connector interfaces and is specified to control 6 fuel injectors. For fitment-based searches, this part number is commonly referenced for Honda Civic fuel injector harness replacement needs, including Dorman 904-479 and 904-479 injector harness applications.

The harness uses insulated connectors to help protect electrical contact points from moisture and corrosion, which is important in high-heat engine compartments. If you are replacing a damaged injector wiring harness on a Honda Civic or searching for a Dorman 904-479 fuel injector harness, this OE-style replacement provides the correct electrical layout for restoring injector operation.

This part cross-references 2225917 for the same application.

What It Helps Fix

• Intermittent injector signal loss caused by damaged wiring
• Corrosion at injector connector terminals
• Cracked or brittle harness insulation
• Misfires related to injector circuit faults
• Hard starting or rough running from injector wiring issues

Installation Notes and Tips

Inspect the injector connectors, routing path, and nearby heat sources before installation. Confirm the harness layout, connector style, and injector count match the vehicle’s original configuration before replacing the part. For best results, verify the vehicle application by VIN and compare the original harness to Dorman 904-479 before installation.

Quality Assurance

Dorman manufactures this harness as a standard replacement part intended to match OE fit and function. The insulated connector design and quality material selection support reliable electrical connection performance in fuel injection service.