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From The Saab Tech Wiki
===Headlamps===
There are 4 headlamps. Size 5 3/4" (5.75"), which is a standard headlamp size produced by a number of manufacturers. The bulb type is H4, one in each lamp. If you want the original look, you should get headlamps with curved glass (not flat). Remember that the headlamps used in the US, are a type called sealed-beam. These are not E-approved, and will therefore not be legal for road-use in most european countries. If you're in doubt, you should therefore check with the proper authorities what kind of headlamps you need.
===Headlamp housing===
There's one headlamp housing on each side. Each of these holds 2 headlamps.
===Headlamp rings===
Each lamp are held in place in the housing by a metal ring. There should be 4 of these.
===Chrome trim===
There are thin pieces of chrome trim surrounding the grille and bezels, in total 7 pieces.
==Replacing the headlamps and grille==
Once you've got the parts ready, this should be a quick job. This is how you replace the standard rectangular lamps with the US lamps: