This diaphragm fits the following JBL drivers: 

2416, JBL 2416H, JBL 2416H-1, 2155H HF, 2152H HF, 2155-H, 2152-H, 3677, 4652, 4655, 4652-BK, 4655-BK, 4716A, 64314-02, UREI 809A, CD-5525, CD5525, CD 5525, G-730, G730, G 730, G-731, G731, G 731, G-732, G732, G 732, G-733, G733, G 733, G-734, G734, G 734, G-791, G791, G 791, MR-802, MR802, MR 802, MR-805, MR805, MR 805, MR-822, MR822, MR 822, MR-825, MR825, MR 825, MR-826, MR826, MR 826, MR-835, MR835, MR 835, MR-838, MR838, MR 838, SR-4722, SR4722, SR 4722, SR-4735, SR4735, SR 4735, SR-4738, SR4738, SR 4738