This manual covers the following Honda Transaxles:
- PX4B - 1990 Accord
- APX4 - 1991/1992 Accord
- MPWA - 1991/1992 Accord Only
- MP1A - 1992 Prelude
The 1991/1992 Accord may have a APX4 transaxle or a MPWA transaxle. The APX4 is built in the US and the MPWA is built in Japan. The MPWA transaxle covered in this manual is for the Honda Accord only. The Acura Vigor has a transaxle with the same model designation, but is entirely different.