Kärcher pump set for models D 1050 B, HD 1050 DE, HD 1200 BE, HD 1200 BXE, HDS 1000 BE, HDS 1000 DE, HDS 1200 BE, HDS 1200 DE (in addition, a detailed check is required to ensure that this set is suitable for your device).
This set includes among other parts the valve 4.580-219.0