Yes
Yes they are interchangeable.
Yes, if it fits the holder.
nv3500
Most likely a 4L60E
Yes, a NAPA 1040 oil filter is smaller but fits.
1990 through 1998
4 and 1/2 qts with filter change.
All Chevy transmission will bolt right to it up to the year 1999. After that year Chevy REDESIGNED the engines and transmissions.
4l60e which is a over drive fits from 1993 to 1998 note when changing transmission flush out transmission side of radiator you do not want to contaminate your new transmission
You can usually figure it out by going to Http://www.crutchfield.com and seeing what fits your vehicle.
The NAPA Gold 1516 fits 1998 Saturn SC
Automatics would include th350, th400, or the 700r4, if you want a overdrive.