Teutonik,
The new contacts are under $20 and the plunger is about $20. It takes about 2 hrs to do the R&R; much less for those of us that have done it a few times.
I can't help on the price for a reman starter as I've never bought one and don't keep up with the price of anything except the...
Teutonik,
You '93 probably has one of the better starters that was equipped on US spec 80s. You should try to keep that one and get the contacts & plunger replaced.
As Brent said, there are several posts with all the p/n's and installation tips.
Is your ignition key functioning properly? :D
-B-