5WS40000-Z vs 9636819380
How the 5WS40000-Z (Siemens VDO / Continental) relates to 9636819380 — PSA OE reference for the 2.0 HDi RHY injector..
5WS40000-Z
Siemens VDO / Continental · Piezo · Common Rail
Siemens VDO / Continental 5WS40000-Z common-rail injector for the early PSA 2.0 HDi (RHY, DW10TD, 90hp). PSA OE 9636819380 / 1980F0. These early DW10 HDi injectors are generally fitted without classification coding — verify on the ECU. Remanufactured, calibrated, 12-month warranty. Key symptoms: Rough idle / vibration; Hard starting; Loss of power / limp mode; Black smoke. Common failure modes: Internal wear / high back-leakage; Nozzle coking / poor spray pattern; Water-in-fuel corrosion.