Karcher Pressure Washer Pressure Sensor6.645-999.3

This is a genuine replacement pressure washer sensor. Made of durable rubber for chemical exposure and high water pressure. 

It monitors and regulates the water pressure to ensure the machine operates at optimal performance levels. Also helps prevent over-pressurization, protects internal components, and maintains consistent cleaning power during use.  

Signs of a damaged sensor include inconsistent water pressure, unexpected shut-offs, and error codes. You might also see leaks around the sensor or notice the pressure washer not reaching full power. Change it with this replacement part.

This sensor for your pressure washer is from Karcher. 

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