the bracket I'm looking for is listed as "E-11" in the picture on the website https://www.hondapartsnow.com/genuine/honda~pipe~oil~level~15200-p2a-000.html?vin=&make=Honda&model=Civic&year=2000&sub model=&extra1=4%20Door%20LX&extra2=KA%204AT&filter =()&location=pd:4215046,2

I did timing belt, and noticed there was no bracket there to begin with. the tube went back in normally and never gave me any problems until recently where the whole tube lifts up with the dipstick, so I'm guessing I need to find this bracket to hold it in place.