OE Quality
60-Day Returns

Standard Ignition FJ674 Fuel Injector
Overview of Standard Ignition Fuel Injector FJ674 for Mazda RX-8
The Standard Ignition FJ674 fuel injector is designed specifically for the Mazda RX-8, ensuring precise fuel delivery and optimal engine performance. This new Mfi injector features a durable blue finish and includes an o-ring for a secure fit.
- New Mfi fuel injector with blue color/finish
- Compatible with Mazda RX-8 fuel injection systems
- Includes o-ring for proper sealing
- Male blade terminals with two connections
- Designed for multi-port fuel injection (Mfi) systems
Detailed Product Description
The Standard Ignition FJ674 fuel injector is engineered to meet the specifications of the Mazda RX-8's multi-port fuel injection system. This new injector features a blue finish that helps with identification and corrosion resistance. It comes equipped with a male terminal design featuring two blade-type terminals, ensuring reliable electrical connectivity. The included o-ring provides a tight seal to prevent fuel leaks and maintain system integrity. This fuel injector is built to deliver consistent fuel atomization, which is critical for efficient combustion and engine responsiveness.
Compatible Applications and Use Cases
This fuel injector is compatible with the Mazda RX-8 and is intended for use in the vehicle's Mfi fuel injection system. It is suitable for addressing common fuel delivery issues such as:
- Irregular engine idling or stalling
- Reduced fuel efficiency or increased emissions
- Engine misfires related to fuel delivery
- Fuel injector leaks or worn seals
- Poor throttle response or hesitation
Installation Notes and Tips
When installing the Standard Ignition FJ674 fuel injector on a Mazda RX-8, ensure the following:
- Verify the injector is compatible with the vehicle's Mfi system
- Replace the included o-ring to maintain a proper seal
- Handle the injector carefully to avoid damage to terminals or seals
- Check electrical connections for secure fitment of male blade terminals
- Follow manufacturer torque specifications for injector mounting
Quality Assurance and Warranty
Standard Ignition provides this fuel injector as a new, OEM-quality replacement part. The FJ674 is manufactured to meet or exceed original equipment standards for fit, form, and function. It includes a warranty that covers defects in materials and workmanship, ensuring reliability and peace of mind for Mazda RX-8 owners.
| Brand | Standard Ignition |
|---|---|
| Part Number | FJ674 |
| Color | Blue |
| Fuel Injector Type | MFI Injector |
| Fuel Type | Gas |
| New or Reman | New |
| Notes | Includes O-Ring |
| System Type | MFI |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Mazda | RX-8 | 1.3L | R2 | N/A | Secondary; Blue; New |
| 2005 | Mazda | RX-8 | 1.3L | R2 | N/A | Secondary; Blue; New |
| 2004 | Mazda | RX-8 | 1.3L | R2 | N/A | Secondary; Blue; New |
* 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.