Standard Ignition FJ1223 Fuel Injector

Remanufactured Diesel Fuel Injector

Standard Ignition FJ1223 is a remanufactured direct injection diesel fuel injector built to OE specification for precise fuel delivery and emission control. It is a direct replacement for select Ford Super Duty diesel applications, including Ford F-250 Super Duty and Ford F-350 Super Duty models.

Each Standard Ignition FJ1223 injector is disassembled, cleaned, inspected, reconditioned or replaced as needed, then calibrated and flow-tested before packaging. New O-rings, copper seals, and instruction sheets are included to support a cleaner installation on the correct application.

Key Features

• Remanufactured diesel fuel injector for direct injection systems
• OE replacement design for factory-style fit and function
• Calibrated to OE specification and checked on a flow bench
• Leak-tested before packaging
• Includes new O-rings and copper seals
• Black housing with male blade terminal connection
• 2-terminal direct injection design

Detailed Application Information

Standard Ignition FJ1223 is built for diesel fuel injection systems that require accurate atomization and consistent pressure delivery. It fits 2014-2019 Ford F-250 Super Duty, Cyl. 3 to 6, and 2015-2019 Ford F-350 Super Duty, Cyl. 3 to 6. It also fits 2014 Ford F-350 Super Duty from 3/18/14, Cyl. 3 to 6. For buyers searching for a remanufactured Ford F-250 Super Duty fuel injector or a Ford F-350 Super Duty diesel injector replacement, FJ1223 matches the listed OE-style application.

This part cross-references Delphi EX631095 for the same application.

What It Helps Address

• Hard starting on a diesel engine
• Rough idle or uneven cylinder fueling
• Excess smoke from poor injector performance
• Fuel delivery imbalance in direct injection systems
• Emission-related drivability concerns tied to injector wear

Installation Notes and Tips

Verify cylinder location and model year before installation, especially on 2014 Ford F-350 Super Duty applications built from 3/18/14. Replace sealing components during installation and follow the included instruction sheet for proper setup. Clean injector bores and confirm electrical terminal fitment before final assembly.

Quality Assurance

Standard Ignition remanufactures this injector by cleaning and inspecting the core assembly, testing components against OE specifications, calibrating the finished unit to OE standards, and validating flow and leak performance before shipment. This process supports consistent operation in Ford F-250 Super Duty and Ford F-350 Super Duty diesel applications.