From the picture on the right (LM funnel) that looks identical to the Challenger funnel PN 6SP8077201.
Some key dimensions for PN 6SP8077201 are: 15mm horizontally from CL of bowl outlet to CL of the screw holes. 14mm vertically from the top of the smu pcb to the top of the bowl flange. Bowl flange: 32mm L x 13.5mm W.
Rod