O-Ring for Karcher Lance Hose Nozzle Spare O-Ring Seal 2.640-729.0 Rubber O-Ri..
A64Z O-Ring for Karcher Lance Hose Nozzle Spare O-Ring Seal 2.640-729.0 Rubber O-Ring Pressure Washer for K2 K3 K4 K5 K6 K7 A. Fits behind the nozzle, on the lance, and on the HP hose (screwed onto the machine) for all HD and HDS models.