EJBR04201D vs R04201D
How the EJBR04201D (Delphi) relates to R04201D — Delphi equivalent number..
EJBR04201D
Delphi · Solenoid · Common Rail
Delphi solenoid common-rail injector for the Mercedes-Benz OM646 2.1/2.2 CDI four-cylinder diesel (C/E-Class, Sprinter, Vito). Mercedes OE A6460700987; Delphi equivalent R04201D (HRD342). Replacements are coded to the ECU with the injector trim code. Failures are driven by poor fuel filtration, contamination and back-leakage. Key symptoms: Rough idle / vibration; Hard starting; Loss of power / limp mode; Black smoke. Common failure modes: Internal wear / high back-leakage; Water-in-fuel corrosion; Nozzle coking.