Ok, that would explain a bit. I was starting to assume that it was a replacement. I will see if I can find something suitable.

This is the inside view of the top of the fuel pump.

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I have recently bought a B110 series and am slowly doing alright in getting it prepared for roadworthy . I have a mechanical fuel pump that I need to reassemble. It has no part nr on it. I wonder if anyone can assist me with a manual or diagram or other guidance? The pump I have doesn't seem to resemble the ones that I am finding. I hope the photo helps.

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