My car is 1993 300SD and is running well at 154K.
I noticed that my injectors have plastic sleeves/shields/boots that fit around the injector body (to keep stuff out of the injector cavity?) Anyway, the ravages of time and temperature have caused two of these sleeves to begin to crumble. (see attached picture).
What are these called?
A part number would be appreciated.

Thanks,

Rob

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