This brass plug holds the fuel filter screen in place in the top cover of the Weber DCOE and IDF series carburetors. Weber parts lists may call it a "filter cover", "strainer inspection plug", "filter inspection plug", or simply "plug". Fits DCOE and DCO/SP, DCNF, IDF, and IDA (2-barrel only). The Fuel Filter Screen Element (Part No. 1586-11) is sold separately.
Note: Fits genuine Weber (made in Italy or made in Spain) carburetors only! Does not fit most copies, Asian knock-offs, or work-alikes.