Part #: FJ78

Standard Ignition FJ78 Fuel Injector

31 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Lincoln, and Mercury, E-350 Econoline Club Wagon, E-350 Super Duty, F-250 Super Duty, F-350 Super Duty, Contour, Crown Victoria, E-350 Econoline, Explorer, Town Car, Grand Marquis, Mountaineer, Mystique, Thunderbird, and Cougar
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Overview of Standard Ignition Fuel Injector FJ78

The Standard Ignition FJ78 fuel injector is designed for reliable fuel delivery in select Ford, Lincoln, and Mercury vehicles. This new, yellow MFI injector supports gas fuel systems and features a top feed design with included o-ring for proper sealing.

  • New Standard Ignition fuel injector, part number FJ78
  • Compatible with Ford, Lincoln, and Mercury models including Contour, Cougar, Crown Victoria, and more
  • Yellow color for easy identification
  • MFI (Multiport Fuel Injection) type injector for gas engines
  • Top feed system with male blade terminals (2 terminals)
  • Includes o-ring for secure installation; hardware not included

Detailed Product Description

The Standard Ignition FJ78 fuel injector is engineered to meet OEM specifications for fuel injection systems in various Ford, Lincoln, and Mercury vehicles. This MFI injector is designed for gas fuel types and features a top feed configuration, which ensures precise fuel atomization and delivery. The injector terminals are male blade type with two terminals, facilitating straightforward electrical connections. The yellow color coding helps technicians quickly identify the correct injector during maintenance or replacement. The included o-ring ensures a proper seal within the fuel rail, preventing leaks and maintaining system integrity.

Compatible Vehicles and Applications

This fuel injector is compatible with a range of Ford, Lincoln, and Mercury models, including but not limited to:

  • Ford Contour, Cougar, Crown Victoria, E-350 Econoline (including Club Wagon and Super Duty variants), Explorer, F-250 Super Duty, F-350 Super Duty
  • Lincoln Grand Marquis, Mountaineer, Town Car
  • Mercury Mystique, Thunderbird

Common Issues Addressed by Fuel Injector Replacement

  • Engine misfires or rough idling due to clogged or failing injectors
  • Poor fuel economy caused by inconsistent fuel delivery
  • Hard starting or stalling issues related to fuel system problems
  • Check engine light triggered by injector performance faults
  • Fuel leaks or injector seal failures

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation to avoid injury
  • Use the included o-ring to maintain a proper seal and prevent fuel leaks
  • Verify electrical connections match the male blade terminal configuration
  • Inspect fuel rail and injector ports for debris before installation
  • Do not reuse old hardware; new hardware is not included and should be sourced separately if needed

Quality Assurance and Warranty

Standard Ignition fuel injectors are manufactured to meet or exceed OEM standards for fit, form, and function. The FJ78 injector is a new part, ensuring reliable performance and durability. While specific warranty details may vary, Standard Ignition products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandStandard Ignition
Part NumberFJ78
ColorYellow
Fuel Injector TypeMFI Injector
Fuel TypeGas
Hardware IncludedNo
New or RemanNew
NotesIncludes O-Ring
System TypeTop Feed
Terminal GenderMale
Terminal TypeBlade

This part fits 31 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1999FordE-350 Econoline Club Wagon6.8LV10N/ANew Fuel Injector for vehicles with Federal Emissions.
1999FordE-350 Super Duty6.8LV10N/ANew Fuel Injector for vehicles with Federal Emissions.
1999FordF-250 Super Duty6.8LV10N/ANew Fuel Injector for vehicles with Federal Emissions.
1999FordF-350 Super Duty6.8LV10N/ANew Fuel Injector for vehicles with Federal Emissions.
1998FordContour2.0LL4N/APerformance fuel injector fits various vehicle makes and models.
1998FordCrown Victoria4.6LV8GASN/APerformance fuel injector fits various vehicle makes and models.
1998FordE-350 Econoline6.8LV10N/APerformance fuel injector fits various vehicle makes and models.
1998FordE-350 Econoline Club Wagon6.8LV10N/APerformance fuel injector fits various vehicle makes and models.
1998FordExplorer5.0LV8N/APerformance fuel injector fits various vehicle makes and models.
1998LincolnTown CarN/APerformance fuel injector fits various vehicle makes and models.
1998MercuryGrand Marquis4.6LV8N/APerformance fuel injector fits various vehicle makes and models.
1998MercuryMountaineer5.0LV8N/APerformance fuel injector fits various vehicle makes and models.
1998MercuryMystique2.0LL4N/APerformance fuel injector fits various vehicle makes and models.
1997FordE-350 Econoline6.8LV10N/APerformance fuel injector fits various vehicle makes and models.
1997FordE-350 Econoline Club Wagon6.8LV10N/APerformance fuel injector fits various vehicle makes and models.
1997FordExplorer5.0LV8N/APerformance fuel injector fits various vehicle makes and models.
1997FordThunderbird4.6LV8N/APerformance fuel injector fits various vehicle makes and models.
1997LincolnTown CarN/APerformance fuel injector fits various vehicle makes and models.
1997MercuryCougar4.6LV8N/APerformance fuel injector fits various vehicle makes and models.
1997MercuryMountaineer5.0LV8N/APerformance fuel injector fits various vehicle makes and models.
1997MercuryMystique2.0LL4N/APerformance fuel injector fits various vehicle makes and models.
1996FordExplorer5.0LV8N/APerformance fuel injector fits various vehicle makes and models.
1996FordThunderbird4.6LV8N/APerformance fuel injector fits various vehicle makes and models.
1996LincolnTown CarN/APerformance fuel injector fits various vehicle makes and models.
1996MercuryCougar4.6LV8N/APerformance fuel injector fits various vehicle makes and models.
1996MercuryMystique2.0LL4N/APerformance fuel injector fits various vehicle makes and models.
1995FordThunderbird4.6LV8N/APerformance fuel injector fits various vehicle makes and models.
1995LincolnTown CarN/APerformance fuel injector fits various vehicle makes and models.
1995MercuryCougar4.6LV8N/APerformance fuel injector fits various vehicle makes and models.
1994FordThunderbird4.6LV8N/AOE No. F4SE-A1B; New
1994MercuryCougar4.6LV8N/AOE No. F4SE-A1B; New

* 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:

0280155700142-252155752-18293217-206822-11116297-20124G123757810800-1072N822-1111697TF9F593AACM4809FIDL1072NFJ10236FJ78TMP-50074

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