API MT-1 API GL-4 API GL-5 MANUFACTURER APPROVALS MAN 341 TYPE E2, Z2 MAN 342 TYPE M2 ZF TE-ML 02B, 05A, 16B, 17B, 19B, 21A API MT-1 API GL-4 API GL-5 MANUFACTURER APPROVALS MAN 341 TYPE E2, Z2 MAN 342 TYPE M2 ZF TE-ML 02B, 05A, 16B, 17B, 19B, 21A