Porsche 911 (993) Transmission Codes
The transmission number code is found on the transmission data plate. There were two codes used:
MY1994 | MY1995 | MY1996 | MY1997 | MY1998 | |
Carrera/S | 6-speed manual G50.21, | 6-speed manual G50.21, | 6-speed manual G50.21, | 6-speed manual G50.20, | 6-speed manual G50.20, |
Carrera/S | USA Switzerland Austria G50.20, | USA Switzerland Austria G50.20, | USA G50.20, | - | - |
Carrera/S | 4-speed Tiptronic A50.04, USA A50.05 | 4-speed Tiptronic A50.04, USA A50.05 | 4-speed Tiptronic A50.04, USA A50.05 | 4-speed Tiptronic A50.04, USA A50.05 | 4-speed Tiptronic A50.04, USA A50.05 |
Carrera 4/4S | - | 6-speed manual G64.21, | 6-speed manual G64.21, | 6-speed manual G64.20 | 6-speed manual G64.20 |
Carrera 4/4S | - | USA Switzerland Austria G64.20 | USA Switzerland Austria G64.20 | - | - |
Carrera RS | - | 6-speed manual G50.31 | |||
Turbo | - | 6-speed manual G64.51 | 6-speed manual G64.51 | 6-speed manual G64.51 | 6-speed manual G64.51 (31:9), |
Turbo | - | - | - | - | Taiwan G64.52 (32:11) |