63653930 – Genuine Karcher Oil Seal, found in the pump set of many pressure washers. Please note these are purchased individually. This part is compatible with the following machines: HDS 5/11 U, HDS 5/11 UX, HD 5/11 C, HD 5/11 C (110V), HD 5/12 C Plus, HD 5/12 CX Plus, HD 6/13 C Plus, HD 6/13 CX Plus, G4.10 Petrol, K2.400, HD 830 BS, K2.54M, HDS 501 C, K5.20M, HDS 5/12 C, HDS 6/12 C, HDS 6/10 C, K5.000, K2 Compact, K2 Home, K2 Compact Home & Car, K1.1