Hupeh 290c china marine diesel : A fuel line part is missing ...can anyone tell me what it is ?

[J.D.R.]

This is the way I got the boat . Im attaching some photos . Thanks for any help ! I tried to upload a picture but that is not happening .......so if I can get an e-mail address ...I can then send a picture of the two fuel lines comming out of the injector pump ...one cut / the other ..a banjo fitting attached to the fuel line closest to the front of the engine