If your Karcher pressure washer has no pressure, the pump assembly is the most likely cause. A worn or damaged pump can leave the pressure washer not building pressure, produce low pressure, or make the pump run without delivering strong water pressure. If the machine is several years old and used often, replacing the complete pressure washer pump assembly is usually the best repair. On a newer Karcher pressure washer that is used less frequently, the pump may be repairable by rebuilding it or replacing the pump seals. Inspect the pump for wear or leaks, and compare the repair cost with the age and condition of the machine before choosing a replacement. The pump and pump assembly are separate listings for some models, so use the correct part description when ordering. Enter your model number to find the exact replacement pump, pump assembly, or pump seals for your specific Karcher pressure washer. This helps ensure the part fits the machine and restores proper pressure instead of leaving you with a pressure washer that has no water pressure.
01 - Karcher Pressure Washer Pump Assembly
You may need to rebuild or replace the pump. If the pump is more than a few years old, and you use the pressure washer fairly often, replace the pump. If the pump is relatively new, and you don’t use the pressure washer often, either rebuild the pump or replace the pump seals.
Enter model number to search for the required part specific to your product
You may need to rebuild or replace the pump assembly. If the pump is more than a few years old, and you use the pressure washer fairly often, replace the pump assembly. If the pump is relatively new, and you don’t use the pressure washer often, either rebuild the pump assembly or replace the pump seals.