OE Quality
60-Day Returns

Standard Ignition FJ520 Fuel Injector
Overview of Standard Ignition Fuel Injector FJ520
The Standard Ignition FJ520 fuel injector is designed specifically for select Mercedes-Benz models, including the 300CE and 300SL. This new brass-finished injector supports CIS injection systems, ensuring precise fuel delivery and engine performance.
- New fuel injector with brass color/finish for durability
- Compatible with CIS (Continuous Injection System) fuel delivery
- Designed for Mercedes-Benz 300CE and 300SL models
- Part number FJ520 for accurate identification and fitment
- Ensures consistent fuel atomization and engine efficiency
Detailed Product Description
The Standard Ignition FJ520 fuel injector is engineered to meet the specifications of the CIS injection system used in certain Mercedes-Benz vehicles. Featuring a brass finish, this new injector offers corrosion resistance and reliable operation under various driving conditions. The CIS injection type ensures continuous fuel delivery, which is critical for maintaining smooth engine performance in the 300CE and 300SL models. This fuel injector is manufactured to precise tolerances to provide consistent fuel flow and atomization, helping to optimize combustion and reduce emissions.
Applications and Problem Resolution
This fuel injector is compatible with Mercedes-Benz 300CE and 300SL models equipped with CIS fuel systems. It is commonly used to address issues such as:
- Irregular engine idling or stalling
- Reduced fuel efficiency or increased consumption
- Engine misfires or hesitation during acceleration
- Fuel leaks or injector clogging
- Check engine light related to fuel delivery problems
Installation Notes and Tips
When installing the Standard Ignition FJ520 fuel injector, ensure the vehicle is compatible with CIS injection systems. Proper cleaning of the fuel rail and injector ports is recommended before installation to prevent contamination. Use appropriate tools to avoid damage to the brass finish and injector components. Verify fuel pressure and system integrity after installation to confirm correct operation.
Quality Assurance and Warranty
Standard Ignition manufactures the FJ520 fuel injector to meet OEM standards for fit, form, and function. This new injector undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to provide confidence in the product's reliability.
| Brand | Standard Ignition |
|---|---|
| Part Number | FJ520 |
| Color | Brass |
| Fuel Injector Type | CIS Injection |
| Fuel Type | Gas |
| New or Reman | New |
| System Type | CIS |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1993 | Mercedes-Benz | 300SL | 3.0L | L6 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 1992 | Mercedes-Benz | 300CE | 3.0L | L6 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 1992 | Mercedes-Benz | 300SL | 3.0L | L6 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 1991 | Mercedes-Benz | 300CE | 3.0L | L6 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 1991 | Mercedes-Benz | 300SL | 3.0L | L6 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 1990 | Mercedes-Benz | 300CE | 3.0L | L6 | N/A | Performance fuel injector fits various vehicle makes and models. |
| 1990 | Mercedes-Benz | 300SL | 3.0L | L6 | 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.