Need Help finding a part number.

Does anybody know what the model/part number on a ECU for a 1990 Galant GSX. Or know where I can find it online. it like MD ## ####.
I cant get to my own car easly to look and see its at a garage. but if anybody knows please email me. at [email protected] or [email protected]

Thanks
any help would be greatful.

what liter engine is the GSX? 1.8 or 2.0?
turbo or non?
fed spec or cali?
awd or fwd?

[Edit]
2.0L
Turbo
AWD

ha I answered my own questions

ahh well

http://www.car-part.com/

the ONLY way to know for sure is to look at the ECU itself.
even giving the VIN to the dealership may not work for an ECU part number.

5speed AWD 4g63 nonturbo with AC.