OE Quality
60-Day Returns

Standard Ignition FJ450 Fuel Injector
Overview of Standard Ignition Fuel Injector FJ450
The Standard Ignition FJ450 fuel injector is designed for reliable fuel delivery in select Ford, Mazda, and Mercury vehicles. This new MFI injector ensures precise fuel injection for models like the Ford Explorer, Mercury Mountaineer, and Mazda MPV.
- Plug-in attachment method for straightforward installation
- White color/finish for easy identification
- Designed for gasoline fuel delivery systems
- Multi-port fuel injection (MFI) type injector
- Includes high-temperature Viton o-ring and seals
- New part with included hardware seals
- Male blade terminals with two connections
- Compatible with Ford Cougar, Explorer, Mercury Mountaineer, and Mazda MPV
Detailed Product Description
The Standard Ignition FJ450 fuel injector is engineered to meet the specifications of multi-port fuel injection systems in various Ford, Mazda, and Mercury vehicles. Featuring a plug-in attachment method, this injector simplifies replacement and maintenance. The white finish allows for quick visual confirmation during installation or inspection. It is designed specifically for gasoline fuel delivery, ensuring optimal performance and fuel atomization.
This fuel injector comes new and includes essential hardware such as high-temp Viton o-rings and seals to maintain a secure, leak-free fit. The injector terminals are male blade type with two terminals, providing reliable electrical connectivity. While retainer clips are not included, the injector is compatible with factory mounting hardware.
Compatible Vehicles and Applications
- Ford Cougar fuel injection system maintenance
- Replacement injector for Ford Explorer multi-port fuel injection
- Mercury Mountaineer fuel delivery system repairs
- Mazda MPV fuel injector replacement
Installation Notes and Tips
- Ensure the engine is cool before beginning installation
- Use the included Viton o-rings and seals to prevent leaks
- Verify the plug-in connection matches the vehicle’s wiring harness
- Inspect injector ports and clean before installation
- Do not reuse old seals or o-rings to maintain proper sealing
Quality Assurance and Warranty
Standard Ignition provides this FJ450 fuel injector as a new, OEM-quality replacement part. It includes all necessary seals and o-rings to ensure proper fit and function. While specific warranty details vary by distributor, Standard Ignition parts typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Standard Ignition |
|---|---|
| Part Number | FJ450 |
| Color | White |
| 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 11 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2002 | Mercury | Cougar | 2.5L | V6 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2001 | Ford | Explorer | 5.0L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2001 | Mazda | MPV | 2.5L | V6 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2001 | Mercury | Cougar | 2.5L | V6 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2001 | Mercury | Mountaineer | 5.0L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2000 | Ford | Explorer | 5.0L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2000 | Mazda | MPV | 2.5L | V6 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2000 | Mercury | Cougar | 2.5L | V6 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2000 | Mercury | Mountaineer | 5.0L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 1999 | Ford | Explorer | 5.0L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 1999 | Mercury | Mountaineer | 5.0L | V8 | 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.