OE Quality
60-Day Returns

Standard Ignition FJ307 Fuel Injector
Overview of Standard Ignition Fuel Injector FJ307
The Standard Ignition FJ307 fuel injector is designed for reliable fuel delivery in select Ford and Mercury vehicles. This new, black MFI injector is engineered to meet the specific requirements of the Ford Explorer and Mercury Mountaineer models.
- New top feed MFI fuel injector in black finish
- Compatible with gasoline fuel systems
- Includes o-ring for secure installation
- Features two male blade terminals for electrical connection
- Part number FJ307 ensures precise fitment for Ford Explorer and Mercury Mountaineer
Detailed Product Description
The Standard Ignition FJ307 fuel injector is a new component designed to replace the original equipment injector in Ford Explorer and Mercury Mountaineer vehicles. This top feed MFI injector is optimized for gasoline fuel systems, providing consistent fuel atomization and delivery. The injector features two male blade terminals, ensuring proper electrical connectivity and compatibility with the vehicle's fuel injection system. The included o-ring helps maintain a secure seal, preventing fuel leaks and maintaining system integrity.
Compatible Vehicles and Applications
This fuel injector is specifically compatible with the Ford Explorer and Mercury Mountaineer models. It is intended for use in gasoline-powered engines equipped with multi-port fuel injection systems. The part number FJ307 corresponds directly to the OEM specifications for these vehicles, ensuring proper fit and function.
- Restores proper fuel delivery in Ford Explorer and Mercury Mountaineer
- Addresses issues such as rough idling and engine misfires
- Helps resolve poor fuel economy caused by faulty injectors
- Eliminates hesitation or stalling during acceleration
- Prevents fuel leaks with included o-ring seal
Installation Notes and Tips
When installing the Standard Ignition FJ307 fuel injector, ensure the fuel system is depressurized before removal. Carefully remove the old injector and inspect the fuel rail and injector ports for debris. Lubricate the included o-ring with clean engine oil to facilitate installation and prevent damage. Verify the two male blade terminals align correctly with the vehicle’s wiring harness. After installation, check for fuel leaks and proper engine operation.
Quality Assurance and Warranty
Standard Ignition manufactures the FJ307 fuel injector to meet or exceed OEM standards for fit, form, and function. Each injector undergoes rigorous testing to ensure reliable performance in Ford Explorer and Mercury Mountaineer vehicles. This part is sold new and includes a limited warranty against defects in materials and workmanship, providing confidence in its durability and quality.
| Brand | Standard Ignition |
|---|---|
| Part Number | FJ307 |
| Color | Black |
| Fuel Injector Type | MFI Injector |
| Fuel Type | Gas |
| New or Reman | New |
| Notes | Includes O-Ring |
| System Type | Top Feed |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1998 | Ford | Explorer | 4.0L | V6 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 1998 | Mercury | Mountaineer | 4.0L | V6 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 1997 | Ford | Explorer | 4.0L | V6 | N/A | Performance 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.