This genuine OEM
Karcher set of three grooved rings will correctly and effectively repair your
Karcher pressure washer pump. Please note that you will need three seals to
repair one pump. If you are unsure whether this is the correct repair part for
your machine, please send us a message with the model number and serial number
of your pressure washer (with a picture of the model number tag if possible),
and we will look it up for you.