O-Ring for Karcher K2 K3 K4 K5 K6 K7 Lance Hose Nozzle Spare O-Ring Seal 2.640-729.0 Rubber O-Ring Pressure Washer. Heavy duty KARCHER O-rings for pressure washers and steam cleaners. Also fits K2 K3 K4 K5 K6 K7.
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