0445116027 vs 0986435406
How the 0445116027 (Bosch) relates to 0986435406 — Bosch exchange/equivalent number..
0445116027
Bosch · Piezo · Common Rail
Bosch piezo common-rail injector for the Mercedes-Benz 3.0 V6 diesel (OM642), also used on the Jeep/Chrysler 3.0 CRD. Bosch exchange 0986435406; Mercedes OE A6420701287 (and related A6420701187). Bosch alternate 0445116028. Piezo and solenoid injectors are not interchangeable. Replacements are coded to the ECU. 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; Piezo stack degradation; Nozzle coking.