Automatic Gearbox Oil Filter - Transmission Filter - Legnum VR4 Galant VR4
This is the one located on top of the gearbox.
See HERE

Choose from Aftermarket Copy or Genuine Mitsubishi

Mitsubishi Part Number
MD752072

Automatic Transmission Oil Pump Seal for - Legnum VR4 Galant VR4 EC5A EC5W
Vehicles fitted with Automatic Gearbox.

See HERE for Location Fitted

Mitsubishi Part Number
MR967673 MD707575

3 Pin Output Speed Sensor - Mitsubishi VR4 Galant/Legnum Auto Gearbox Models
This can be one of the problems associated with Flashing N on the Dash.
Exploded Diagram HERE

Mitsubishi Part Number
8651A109 MD759164 MR518300