Meter fuel precisely into the intake port and help keep the engine running smoothly with the Standard Ignition Fuel Injector FJ520. It installs as a direct-fit replacement for the 1990-1992 Mercedes-Benz 300CE and the 1990-1993 Mercedes-Benz 300SL, delivering an atomized fuel charge on command from the engine control system.
- Electronically controlled valve: opens and closes to deliver a measured, atomized spray of fuel to the engine on each injection event.
- Direct-fit application: matched to the listed Mercedes-Benz models for a straightforward replacement.
- Addresses fuel-metering faults: if a clogged, leaking, or stuck injector is the cause of rough idle, hesitation, or poor fuel economy, this replaces it.
A worn or contaminated injector can spray unevenly or fail to seal, producing signs such as a rough idle, misfire, hesitation, or a drop in fuel economy — diagnose the cause before replacing. Injectors are commonly serviced as a matched set, so consider the condition of the others on the engine.
Interchange: 57587 · 2-18626 · 218626 · 0000785823 · 785823 · 800-1531N · 8001531N
Manufacturer part number FJ520.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this fuel injector do?
It is an electronically controlled valve that opens and closes on command from the engine control system to deliver a measured, atomized spray of fuel to the engine.
Which vehicles does the FJ520 fit?
It is a direct-fit replacement for the 1990-1992 Mercedes-Benz 300CE and the 1990-1993 Mercedes-Benz 300SL. See the Buyer's Guide tab to confirm your vehicle.
What are signs a fuel injector may need replacing?
Rough idle, misfire, hesitation, or reduced fuel economy can be signs. These symptoms have other possible causes, so diagnose the fault before replacing.
What numbers does this part interchange with?
It interchanges with 57587, 2-18626 (218626), 0000785823, 785823, and 800-1531N (8001531N). The manufacturer part number is FJ520.
Should I replace more than one injector?
Injectors are commonly serviced as a matched set. Consider the condition of the other injectors on the engine and follow the vehicle service procedure.
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