Where can you find the owners manual for Pacific Hydrostar 1600 pressure washer?
http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=99741
click on "download product manual" tab
http://www.harborfreight.com/manuals/99000-99999/99741.pdf Unless
you can get Harbor Freight to tell you who makes their low quality
tools, you are up a creek, I'm sure they come from somewhere in
mainland China. The above link someone else left on this question
does not answer your question, it only gets you Harbor Freight's
phone number and information. Next time I hope whoever "tries" to
answer a question they will bother to verify that their answer will
actually help. Sorry I couldn't be of any help either, I have my
own need for the manufacturer's contact information for another
Harbor Freight item that has bad parts in it.