Genuine Karcher K2 K3 K4 K5 K7 Pressure Washer Inlet Hose Connector 64650310 by | Jul 23, 2026Genuine Karcher Pressure Washer Water Hose Pipe Connector. K Series K2 K3 K4 K5 and K7. Durable Construction: Made from high grade, wear resistant plastic designed to withstand high water pressure and outdoor conditions.