I have found part numbers in this thread https://www.benzworld.org/forums/r-c107-sl-slc-class/1564706-motor-mounts-300sl-1986-year.html

For a 300Sl, 107.041...
EPC shows part #A1072412513 for the rubber,
A1072411234 for the "screening plate,
A1072401240 for the bracket
A1072400022 for the guide sleeve


They are 107 specific. Great

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