Standard Ignition GPH106 Diesel Glow Plug Wiring Harness - Right

Diesel Glow Plug Harness for Ford Super Duty

Restore reliable glow plug circuit performance with this Standard Ignition diesel glow plug wiring harness. Built as a direct OEM replacement, it is made for the passenger side and uses female blade terminals for a secure electrical connection on 12-volt diesel applications.

Compatible with 2003-2004 Ford Excursion, F-250 Super Duty, and F-350 Super Duty on the right side, this harness is a practical replacement for worn, heat-aged, or damaged secondary ignition wiring. Part number GPH106 is also a direct reference for shoppers comparing OE-style replacement options.

Key Features

• Brand: Standard Ignition
• Part number: GPH106
• Diesel glow plug wiring harness
• Passenger side / right side application
• Female connector and female blade terminals
• 4-terminal design
• 12-volt electrical system
• Direct OEM replacement fitment

Product Details

This Standard Ignition glow plug harness is engineered for the secondary ignition system on diesel trucks that rely on consistent glow plug signal delivery during cold starts. The harness uses aluminum terminals to resist oxidation and help maintain electrical continuity, while high-temperature Viton O-rings support sealing at the connection points under elevated heat. If you are replacing a damaged Ford Excursion, F-250 Super Duty, or F-350 Super Duty glow plug harness, GPH106 provides a straightforward OE-style solution.

This part cross-references 3C3Z12A690BA and 1840708C91 for the same application.

Common Problems This Part Can Address

• Intermittent glow plug operation on the passenger side
• Hard starting in cold weather due to poor electrical transfer
• Corroded or oxidized harness terminals
• Heat-damaged wiring at the glow plug connection
• Voltage loss in the diesel glow plug circuit

Installation Notes and Tips

Verify right-side fitment before installation, especially on 2004 Ford Excursion, F-250 Super Duty, and F-350 Super Duty models built to 9/23/03. Inspect the mating connectors and surrounding wiring for heat damage, corrosion, or looseness before installing the new harness. Confirm the vehicle uses a 12-volt glow plug circuit and compare the connector style to the original part.

Quality Assurance

Standard Ignition states that this harness is manufactured to OEM specification for proper fit and electrical performance. The aluminum terminals and high-temperature sealing materials are selected to support dependable operation in diesel engine heat conditions.