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000 545 07 45 Forget about the EPC, get the printed Spare Parts List! http://www.authenticclassics.com/Mercedes-ThermoSwitchBoot-fits-230SL-250SL-p/auth-004361.htm
... What is a "printed spare parts list"? Do you mean the dealer parts book? ...
Yes. That is its official name: http://www.sl113.org/wiki/Documents/SparePartsList