All Beretta doors from all years are interchangeable. The seatbelts, on the other hand, changed mounting poisitions over the years. The good news is that the mouting holes are still available throughout all years, just behind the panels.
you need a door from 73 to 87
88 and 90
3/8 or 10mm depending on how rusty it is...
Not likely, but your best bet is to measure and compare the two wheel-bases.
yes
No.
Yes.
Yes it will.
$48 for a remanufactured. both motors that year share the same starter.
Yes
All the chevy full size trucks are the same design from 1988 to 1999. So if it came off of a 89 it will fit the 93
No. They changed the bed design in 89, I think.