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Where is the part number?

Pictures on the right (or below on your phone) show:
Old style, new style, Mercedes type, BMW type, 12mm and 18mm types

Picture A is a typical position for part number

Bosch Common rail Fuel pressure sensors have been in use for around 30 years.
In that time they have been redesigned and re-numbered.
Re-numbering can cause part number confusion and


Re-designing can sometimes mean wires are too short and need to be extended.

Various Bosch fuel sensors