Continental & Contitech is the same. Conti also. Continental Conti are tyres,Contitech are belts(rubber and plastic). I have Continental serpentine belt installed 2 years ago. I'll check the numbers from the belt if you want. It should be 6PK 1743. https://www.ebay.com/itm/Continental-6PK1743-Se...

1.Headlights are interchangeable with newer model headlights as long as you use thicker headlight trim from newer model.In addition to that...you will also need side lights from newer model. Hoods and fenders are the same for all model years,except that fenders from '95-'97 have wider plastic trim. ...

'95-'97 one.

There are known good and reputable aftermarket brands but there are also too much junk aftermarket brands.
Avoid everything you never heard about before.
Bendix ,Ate ,Sachs are excellent aftermarket brands,and in most cases,they are oem parts for most car makes including Volvo.

If you can find serial db9 to OBDII cable(Vag-Com kkl) i can send you Vol-Fcr via email.
Other than that...you can remove and clean out front abs sensors because....since they are magnetic...they can be fouled up with metal debris from pads and rotors.

Yazaki and VDO are not interchangeable according to MVS members. Don't see the reason why....since Yazaki from s,v,c,xc70 up to '99 is fully interchangeable with '96 & '97 850. You have OBDI diagnostic ports under the hood. Read the codes for the cluster. If you want to try a VDO,you will need t...

Older 20v engines (B5254FS)had variable intake,different style intake manifold and gasket. When i say variable intake....they had some kind of flaps into intake openings. Those are engines '92-'95(including '95). All newer 20v engines have only "S" and no variable intake. https://www.matth...

Replace fuel pump relay. Unfortunately....it sounds like it was allready replaced with wrong one or hot wired directly. There are 2 types....red and yellow one. Somebody mentioned that there is also a green one. They are not interchangeable between colors and you must know which one was fitted origi...

If they have the same Bosch numbers on it and have the same color...it's a direct swap.

But....if they were unprotected all those years....they will need cleaning before install.

Serpentine belt tensioner have nothing to do with timing belt.
It is held with 2 bolts,BUT you need to remove the tension first and slide the serpentine belt from tensioner pulley before you undo those two bolts.

You will need to make a tool for serpentine belt tensioner arm.