The Bosch part number F016F03867 is a genuine replacement Rubber O-Ring for the following models of high pressure cleaner :
Aquatak Clic Series: Aquatak Clic 125 , Aquatak Clic 130, Aquatak Clic 135, and Aquatak Clic 140.
Aquatak Go Series: Aquatak Go ,Aquatak Go Plus.