Karcher Spray Lance Adjustable Power GENUINE K5 CAR RU
K3 COMPACT AU (1.637-308.0). K7 COMPACT EU (1.447-002.0). K7 COMPACT CH (1.447-005.0). K4 Compact AR (1.637-515.0). To find your model number - Pressure Washers should have a sticker with the information on.