All model Volvos thru 1989 have a 5 bolt x 4.25" (or 108mm) pattern usually with a positive 20-25mm Hub bore/offset. Even Ferrari wheels fit Volvo!
5x108mm
5 x 108
on the 1988 Vovlo 240, the fuel filter is loca
YES
at a junkyard
Yes I believe actually the 1986 to 1992 Volvo 240 4 doors are all interchangeable parts but I'm not sure for 1985 and earlier models.
ebay, salvage yards, craigslist, local used foreign/volvo shops
bearing
Try the pegasus replicas... they look nice on the Volvo 240 IPDPEG177520 Pegasus Replica - Hyper Black Finish Fitment/Application: 17x7.5 inch wheel 5x108 bolt pattern with 20mm offset Direct bolt on, no spacers required http://www.ipdusa.com/version.asp?strPageHistory=category&numSearchStartRecord=0&strParents=69,467&P_ID=4091&CAT_ID=467&V_ID=10133
The fuses for a 1988 are inside driver side on the left hand side down below (where the hood release is)
Under Dash Passenger side to the right of the kick panel
long answer: yes