Part #: FJ770

Standard Ignition FJ770 Fuel Injector

3 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 and Mercury, Explorer, Explorer Sport Trac, and Mountaineer
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Overview of Standard Ignition Fuel Injector FJ770

The Standard Ignition FJ770 fuel injector is designed for reliable fuel delivery in select Ford and Mercury vehicles. This new, gray MFI injector is engineered to meet the specific requirements of gas-powered engines in the Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer.

  • New MFI fuel injector with top feed system
  • Compatible with gas fuel type
  • Includes O-rings for secure installation
  • Features two male blade terminals
  • Designed for Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer

Detailed Product Description

The Standard Ignition FJ770 fuel injector is a new, top feed MFI injector designed to provide precise fuel delivery for gas engines. Its gray finish and included O-rings ensure a proper seal and fit during installation. The injector features two male blade terminals, which are standard for the fuel injection systems in the specified vehicle models. This part is engineered to maintain optimal fuel atomization and engine performance in Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer vehicles, supporting efficient combustion and drivability.

Compatible Vehicles and Applications

This fuel injector is compatible with the following vehicles:

  • Ford Explorer
  • Ford Explorer Sport Trac
  • Mercury Mountaineer

It is specifically designed for use in gas-fueled engines requiring a top feed MFI injector, ensuring proper fit and function.

Common Issues Addressed by Fuel Injector Replacement

  • Engine misfires or rough idling due to clogged or faulty injectors
  • Poor fuel economy caused by inconsistent fuel delivery
  • Hard starting or stalling issues related to injector performance
  • Check engine light triggered by injector circuit faults
  • Reduced engine power and acceleration

Installation Notes and Tips

When installing the Standard Ignition FJ770 fuel injector, ensure the O-rings are properly lubricated and seated to prevent fuel leaks. Disconnect the battery before installation to avoid electrical hazards. Verify the injector terminals match the vehicle’s wiring harness connectors, as this injector features two male blade terminals. It is recommended to inspect the fuel rail and clean any debris before installing the new injector to maintain optimal performance.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications. The FJ770 fuel injector is a new component backed by Standard Ignition’s quality standards. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to ensure reliability and customer confidence.

BrandStandard Ignition
Part NumberFJ770
ColorGray
Fuel Injector TypeMFI Injector
Fuel TypeGas
Hardware IncludedNo
New or RemanNew
O-Rings IncludedYes
System TypeTop Feed
Terminal GenderMale
Terminal TypeBlade

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2004FordExplorer4.0LV6N/APerformance fuel injector fits various vehicle makes and models.
2004FordExplorer Sport Trac4.0LV6GASN/APerformance fuel injector fits various vehicle makes and models.
2004MercuryMountaineer4.0LV6N/APerformance fuel injector fits various vehicle makes and models.

* 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:

2-1814922-11187297-20064G20094L2Z9F593EA67372800-1747N822-11187CM5100FIDL1747NFJ10680MP-10104

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