Amazon.com: Karcher OEM 4.591-040.0 4.591-040.0-2 Pressure Washer Unloader Valve (2 Pack) G 1800 LB G 2000 ET G 2000 MK G 2000 QT G 2300 IB G 2301 LT G 2401 OH
Bypass Valve, K4-k5 Karcher 9.002-164.0 Spare Part For Mini Washers, Accessories For Mini Washers, Accessories And Spare Parts - Pressure Washer Parts & Accessories - AliExpress
Amazon.com: Karcher OEM 4.591-040.0 4.591-040.0-2 Pressure Washer Unloader Valve (2 Pack) G 1800 LB G 2000 ET G 2000 MK G 2000 QT G 2300 IB G 2301 LT G 2401 OH