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Standard Ignition FJ728 Fuel Injector
Reliable Fuel Injector for Lexus and Toyota Vehicles
The Standard Ignition FJ728 fuel injector is designed to deliver precise fuel injection for select Lexus and Toyota models. Engineered for multi-point fuel injection (MFI) systems, this new fuel injector ensures consistent fuel delivery and improved engine performance.
- Plug-in attachment method for straightforward installation
- Black finish with relocated inlet filter near injector body
- Compatible with gas fuel delivery systems
- Includes gasket and O-rings for proper sealing
- Top feed system type with male blade terminals (2 terminals)
- New, not remanufactured, for reliable operation
Product Details and Specifications
The Standard Ignition FJ728 fuel injector is specifically designed for multi-point fuel injection (MFI) systems, commonly found in Lexus and Toyota vehicles such as the 4Runner, GX470, Land Cruiser, LX470, Sequoia, and Tundra. This fuel injector features a plug-in attachment method, making it easier to replace without extensive modifications. The black finish and relocated inlet filter near the injector body help optimize fuel flow and filtration. It is a top feed injector with two male blade terminals, ensuring compatibility with the vehicle’s electrical system. The package includes necessary gaskets and O-rings to maintain a secure and leak-free seal, although retainer clips and additional hardware are not included.
Compatible Vehicles and Common Applications
This fuel injector is compatible with the following Lexus and Toyota models equipped with MFI fuel injection systems:
- Lexus 4Runner
- Lexus GX470
- Lexus Land Cruiser
- Lexus LX470
- Toyota Sequoia
- Toyota Tundra
It is designed to address issues such as:
- Engine misfires caused by faulty fuel injectors
- Reduced fuel efficiency due to inconsistent fuel delivery
- Rough idling or hesitation during acceleration
- Fuel leaks from worn seals or gaskets
- Injector clogging or poor spray pattern
Installation Notes and Tips
When installing the Standard Ignition FJ728 fuel injector, ensure the vehicle’s ignition is off and fuel pressure is relieved before removal. The plug-in attachment method simplifies the replacement process, but care should be taken to avoid damaging the male blade terminals. Replace all included gaskets and O-rings to prevent leaks. Since retainer clips and additional hardware are not included, reuse existing clips if they are in good condition or source replacements separately. Properly seat the injector to maintain the top feed system integrity.
Quality Assurance and Warranty
Standard Ignition provides this fuel injector as a new component, manufactured to meet or exceed OEM specifications. The inclusion of gaskets and O-rings supports a reliable seal and long service life. While specific warranty details may vary, Standard Ignition parts typically come with a limited warranty against defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.
| Brand | Standard Ignition |
| Part Number | FJ728 |
| Color | Brown |
| Fuel Injector Type | MFI Injector |
| Fuel Type | Gas |
| Hardware Included | No |
| New or Reman | New |
| Notes | Inlet Filter Relocated Towards Injector Body |
| O-Rings Included | Yes |
| System Type | Top Feed |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 24 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Lexus | GX470 | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2009 | Toyota | 4Runner | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2009 | Toyota | Sequoia | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2009 | Toyota | Tundra | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2008 | Lexus | GX470 | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2008 | Toyota | 4Runner | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2008 | Toyota | Sequoia | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2008 | Toyota | Tundra | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2007 | Lexus | GX470 | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2007 | Lexus | LX470 | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2007 | Toyota | 4Runner | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2007 | Toyota | Land Cruiser | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2007 | Toyota | Sequoia | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2007 | Toyota | Tundra | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2006 | Lexus | GX470 | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2006 | Lexus | LX470 | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2006 | Toyota | 4Runner | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2006 | Toyota | Land Cruiser | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2006 | Toyota | Sequoia | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2006 | Toyota | Tundra | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2005 | Lexus | GX470 | 4.7L | V8 | N/A | From 12/04; New |
| 2005 | Toyota | 4Runner | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2005 | Toyota | Sequoia | 4.7L | V8 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2005 | Toyota | Tundra | 4.7L | 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.