Cummins QSZ13 Engine Parts List No. Part No. Part Name Qty/Eng Remarks 1 3685699 Clip 1 2 3900629 Screw, Hex Flange Head Cap 1 M8 X 1.25 X 16 3 4999868 Harness, Wiring 1 4 3678786 Seal, O Ring 1 M18 5 3678791 Plug, Threaded 1 M18 X 1.5 X 19.5 6 3678921 Plug, Threaded 1 M14 X 1.50 X …