Trying to find the fuel line that connects into the fuel distributor for a M103 (1990 300SE), I believe it's the fuel return line, see picture, #23. It needs to be replaced. Any lead or part number, so far I have no luck finding one?

Thanks.

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1979 Black on Black, 300CD (sold), 1990 Black 300SE, Silver 1989 Volvo 780, 1988 300CE (vanished by the hands of a girlfriend), 1992 300CE (Rescue).