MKE 2-1053-CArticle No. 004223 MKE 2-1053-C 1 Spare Parts available Cap RD 14.8x6.5, black with Choose Spare Part Spare Parts Cap RD 14.8x6.5, black with Cap RD 14.8x6.5, black with gauze MZC 2-1 Complexity Article No. 572231 Choose Spare Part Attention! Due to the complexity of the repair, some of the spare parts shown can only be replaced by specialist workshops. In this case, please contact your nearest Sennheiser Service Center.