To fit Karcher HDS Pressure Washers: 601, 6/12, 7/10, 745. Karcher Ignition Electrode - 2.638-974.0. Genuine Karcher Pressure Washer K1 K2 Cylinder Head Spare Part 4.551-159.3. Genuine Karcher Pressure Washer K3 K4 Cylinder Head Spare Pump Set 9.002-552.0.
