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Standard Ignition FJ389 Fuel Injector
Overview of Standard Ignition Fuel Injector FJ389
The Standard Ignition FJ389 fuel injector is designed for precise fuel delivery in select Lexus and Toyota vehicles. This new Mfi injector ensures reliable performance and is an OEM replacement part compatible with models like the Lexus GS300, Toyota SC300, and Toyota Supra.
- New Mfi fuel injector with brown finish
- Includes O-rings for proper sealing
- OEM replacement for accurate fit and function
- Male blade terminals with two connections
- Compatible with Lexus GS300, Toyota SC300, and Supra
Detailed Product Description
The Standard Ignition FJ389 is a new fuel injector designed specifically for multi-port fuel injection (Mfi) systems. Its brown color/finish helps identify the part during installation and maintenance. This injector features male blade terminals with two terminals, ensuring secure electrical connections. The included O-rings provide a tight seal to prevent fuel leaks and maintain system integrity. As an OEM replacement, the FJ389 meets factory specifications for fit, form, and function, making it suitable for use in Lexus GS300, Toyota SC300, and Toyota Supra models equipped with Mfi systems.
Common Applications and Issues Addressed
- Restores proper fuel delivery in Lexus GS300, Toyota SC300, and Supra
- Resolves rough idling and engine misfires caused by faulty injectors
- Eliminates poor fuel economy linked to injector leaks or clogging
- Corrects hesitation or stalling during acceleration
- Prevents fuel leaks with included O-rings for a secure seal
Installation Notes and Tips
When installing the Standard Ignition FJ389 fuel injector, ensure the O-rings are properly lubricated to avoid damage during insertion. Verify the male blade terminals align correctly with the vehicle’s wiring harness for a secure connection. It is recommended to inspect the fuel rail and injector ports for debris before installation to maintain optimal performance. Follow vehicle-specific service manuals for torque specifications and safety precautions.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The FJ389 fuel injector is a new component backed by Standard Ignition’s quality control processes. Please refer to the manufacturer’s warranty documentation for specific coverage details.
| Brand | Standard Ignition |
|---|---|
| Part Number | FJ389 |
| Color/Finish | Brown |
| Fuel Injector Type | Mfi injector |
| New or Reman | New |
| O-Rings Included | Yes |
| O.E.M. Replacement | Yes |
| System Type | Mfi |
| Terminal Gender | Male |
| Terminal Quantity | 2 |
| Terminal Type | Blade |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1995 | Lexus | SC300 | 3.0L | L6 | N/A | New Fuel Injector for vehicles with Federal Emissions. |
| 1995 | Toyota | Supra | 3.0L | L6 | N/A | New Fuel Injector for vehicles with Federal Emissions. |
| 1994 | Lexus | GS300 | 3.0L | L6 | N/A | New Fuel Injector for vehicles with Federal Emissions. |
| 1994 | Lexus | SC300 | 3.0L | L6 | N/A | New Fuel Injector for vehicles with Federal Emissions. |
| 1994 | Toyota | Supra | 3.0L | L6 | N/A | New Fuel Injector for vehicles with Federal Emissions. |
| 1993 | Lexus | GS300 | 3.0L | L6 | N/A | New Fuel Injector for vehicles with Federal Emissions. |
| 1993 | Lexus | SC300 | 3.0L | L6 | N/A | New Fuel Injector for vehicles with Federal Emissions. |
| 1993 | Toyota | Supra | 3.0L | L6 | N/A | New Fuel Injector for vehicles with Federal Emissions. |
| 1992 | Lexus | SC300 | 3.0L | L6 | N/A | New Fuel Injector for vehicles with Federal Emissions. |
* 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.