HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsStandard Ignition FJ1221 Fuel Injector
Part #: FJ1221

Standard Ignition FJ1221 Fuel Injector

⚙️ 10 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, F-250 Super Duty and F-350 Super Duty
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Reliable Fuel Injector for Ford F-250 and F-350 Super Duty

The Standard Ignition FJ1221 fuel injector is designed specifically for diesel engines in Ford F-250 Super Duty and F-350 Super Duty trucks. This remanufactured direct injection fuel injector ensures precise fuel delivery and optimal engine performance.

Key Features of Standard Ignition FJ1221 Fuel Injector

  • Compatible with Ford F-250 Super Duty and F-350 Super Duty diesel models
  • Direct injection type fuel injector for efficient fuel delivery
  • Remanufactured to meet OEM specifications
  • Includes O-rings for proper sealing and installation
  • Black color finish with male blade terminals (2 terminals)
  • Hardware included for installation

Detailed Description of the FJ1221 Fuel Injector

The Standard Ignition FJ1221 is a remanufactured fuel injector designed for diesel engines using direct fuel injection systems. It features a black finish and comes equipped with two male blade terminals, ensuring compatibility with the electrical connections on Ford Super Duty trucks. This fuel injector is engineered to replace the original equipment manufacturer (OEM) part, maintaining the integrity and performance of your vehicle’s fuel injection system. The included O-rings help provide a secure seal to prevent leaks and maintain fuel system pressure.

Common Applications and Problem Solving

  • Restores proper fuel atomization and combustion in diesel engines
  • Resolves rough idling and engine misfires related to faulty injectors
  • Improves fuel efficiency by ensuring accurate fuel delivery
  • Eliminates hard starting issues caused by injector failure
  • Reduces excessive exhaust smoke from incomplete combustion

Installation Notes and Tips

When installing the Standard Ignition FJ1221 fuel injector, ensure the O-rings are properly lubricated and seated to prevent leaks. Verify electrical connections match the male blade terminals and secure all hardware firmly. It is recommended to inspect the fuel rail and injector ports for cleanliness before installation to avoid contamination. Professional installation is advised for optimal results.

Quality Assurance and Warranty

This remanufactured fuel injector meets OEM replacement standards to ensure reliable performance and durability. Standard Ignition provides quality assurance through rigorous testing and inspection processes. Please refer to the manufacturer’s warranty terms for coverage details.

BrandStandard Ignition
Part NumberFJ1221
ColorBlack
Fuel Injection TypeDiesel
Fuel Injector TypeDirect injection
Fuel TypeDiesel
Hardware IncludedYes
New or RemanRemanufactured
O-Rings IncludedYes
O.E.M. ReplacementYes
System TypeDirect
Terminal GenderMale
Terminal Quantity2
Terminal TypeBlade

This part fits 10 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
2016FordF-350 Super DutyCab & Chassis6.7LV8N/ARemanufactured; Cyl. 3 to 6
2015FordF-350 Super DutyCab & Chassis6.7LV8N/ARemanufactured; Cyl. 3 to 6
2014FordF-350 Super Duty6.7LV8N/ATo 3/17/14; Remanufactured; Cyl. 3 to 6
2014FordF-350 Super DutyCab & Chassis6.7LV8N/AFrom 3/18/14; Remanufactured; Cyl. 3 to 6
2013FordF-250 Super Duty6.7LV8N/ARemanufactured; Cyl. 3 to 6
2013FordF-350 Super Duty6.7LV8N/ARemanufactured; Cyl. 3 to 6
2012FordF-250 Super Duty6.7LV8N/ARemanufactured; Cyl. 3 to 6
2012FordF-350 Super Duty6.7LV8N/ARemanufactured; Cyl. 3 to 6
2011FordF-250 Super Duty6.7LV8N/ARemanufactured; Cyl. 3 to 6
2011FordF-350 Super Duty6.7LV8N/ARemanufactured; Cyl. 3 to 6

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

04451170232-392884G2325678287779-PP800-2257RBC3Z9H529BCN5023DE004EX631093G2D67529BM1483

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.