Karcher Pressure Washer Control Piston9.001-291.0

This is a genuine control piston for your pressure washer. 

Part of the pump inside your pressure washer. They help manage water flow and build up the pressure needed for a strong, steady spray—perfect for cleaning away dirt, grime, and tough messes.

Over time, the pistons can wear out from heavy use, high pressure, or dirty water. If your pressure washer is losing power, pulsing, or just not cleaning like it used to, the pistons might be the problem. Change it with this part.

This control piston for your pressure washer is from Karcher. 

Before ordering, please verify that this part is suitable for your model using our compatibility checker.