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, USA Switzerland Austria G50.20, 4-speed Tiptronic A50.04, USA A50.05 | 6-speed manual G50.21, USA Switzerland Austria G50.20, 4-speed Tiptronic A50.04, USA A50.05 | 6-speed manual G50.21, USA G50.20, 4-speed Tiptronic A50.04, USA A50.05 | 6-speed manual G50.20, 4-speed Tiptronic A50.04, USA A50.05 |
6-speed manual G50.20, 4-speed Tiptronic A50.04, USA A50.05
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| Carrera 4/4S | 6-speed manual G64.21, USA Switzerland Austria G64.20 | 6-speed manual G64.21, USA Switzerland Austria G64.20 | 6-speed manual G64.20 |
6-speed manual G64.20
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| Carrera RS |
6-speed manual G50.31
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| Turbo | 6-speed manual G64.51 | 6-speed manual G64.51 | 6-speed manual G64.51 |
6-speed manual G64.51 (31:9), Taiwan G64.52 (32:11)
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