Pressure Washer Parts
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This is a genuine OEM replacement part, this item is sold individually.
The purpose of the 678169004 Thermal Relief Valve is one of safety.
In the event that the water in the pump continues to circulate without being discharged, the Thermal Relief Valve will open and release the water and pressure from the the pump so it will not be damaged.
This is a genuine OEM replacement part, it is sold individually.
The purpose of this filter is to help eliminate dirt, dust and debris from contaminating the carburetor and damaging the engine.
A dirty air filter can cause the engine from operating properly.
This filter can be cleaned a time or two by using an air supply.
This is a Genuine OEM Sourced replacement outlet kit designed for Pressure Washers. This is an Aluminum Outlet Extension with a Rubber O-Ring that connects between the pressure washer pump and the pressure washer hose. This Fitting is Sold Individually. To replace this item you would need a Wrench.
Genuine Karcher replacement part, this item is sold individually.
The purpose of this part, is to attach the Female Hose Connector to the Piston Guide.
This part is made of plastic and has plastic threads that do wear out.
It may be wise to have an extra one or two on hand.
This is a genuine Karcher replacement part, it is sold individually.
When your pressure washer loses pressure, it probably means you have a bad spill valve.
Also known as an unloader valve.
This part allows water to recirculate in the pump when you're not spraying water and is responsible for most of the pressure-related problems with your pressure washer.
We do have an article and video on "How to Replace the Spill Valve on a Karcher Pressure Washer" on our site. Just go to the front page of our site and click on Repair Center.